EP0003174A3 - Multiple element display objects - Google Patents

Multiple element display objects Download PDF

Info

Publication number
EP0003174A3
EP0003174A3 EP79300042A EP79300042A EP0003174A3 EP 0003174 A3 EP0003174 A3 EP 0003174A3 EP 79300042 A EP79300042 A EP 79300042A EP 79300042 A EP79300042 A EP 79300042A EP 0003174 A3 EP0003174 A3 EP 0003174A3
Authority
EP
European Patent Office
Prior art keywords
pleochroic
display objects
stones
multiple element
element display
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP79300042A
Other languages
German (de)
French (fr)
Other versions
EP0003174A2 (en
Inventor
Robert Graig Morris
Earl Wayne O'dell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Allied Corp
Original Assignee
Allied Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Allied Corp filed Critical Allied Corp
Publication of EP0003174A2 publication Critical patent/EP0003174A2/en
Publication of EP0003174A3 publication Critical patent/EP0003174A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C17/00—Gems or the like
    • A44C17/002—Gems made of several cut pieces
    • A44C17/003—Doublet stones

Abstract

Multi-element gem stones and other display objects comprising pleochroic materials are provided which evidence enhanced colors or other unusual optical properties, based on the pleochroic behavior of the material. Doublet stones, comprised of two pleochroic material, and triplet stones, comprised of two pleochroic materials separated by an optical rotator, are described.
EP79300042A 1978-01-18 1979-01-10 Multiple element display objects Withdrawn EP0003174A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87038678A 1978-01-18 1978-01-18
US870386 2001-05-29

Publications (2)

Publication Number Publication Date
EP0003174A2 EP0003174A2 (en) 1979-07-25
EP0003174A3 true EP0003174A3 (en) 1979-08-08

Family

ID=25355269

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79300042A Withdrawn EP0003174A3 (en) 1978-01-18 1979-01-10 Multiple element display objects

Country Status (2)

Country Link
EP (1) EP0003174A3 (en)
JP (1) JPS54110070A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2286760A (en) * 1994-02-17 1995-08-30 Atomic Energy Authority Uk Colouration of gemstones
AT508020B1 (en) 2009-03-26 2010-10-15 Swarovski & Co FACETED GRILLED COMPOSITE BODY
CH709023B1 (en) * 2013-12-27 2019-01-15 Daniel Rytz Dr A method of forming a window, which changes the color depending on the illumination source, in a zone of an object and an object with such a window.

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1377130A (en) * 1920-08-19 1921-05-03 Hashimoto Shozaburo Imitation stone and process for manufacturing
FR560188A (en) * 1922-03-25 1923-09-29 Manufacturing process of artificial shine and other fine stones
US1745607A (en) * 1928-02-28 1930-02-04 D Esposito Ferdinand Composite gem
US2821114A (en) * 1952-04-16 1958-01-28 Pola Lux Ges Fur Blendschutz A Symmetrical interference polarizers
US3528261A (en) * 1968-04-12 1970-09-15 Harry S Jones Doublet gem construction
US3755025A (en) * 1972-01-17 1973-08-28 Chrom Tronics Inc Production of doublet blanks for simulated diamonds
US3808836A (en) * 1972-11-30 1974-05-07 H Jones Doublet gem construction
DE2256955A1 (en) * 1972-11-21 1974-05-22 H W Brditschka Ohg Haid JEWELRY

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1377130A (en) * 1920-08-19 1921-05-03 Hashimoto Shozaburo Imitation stone and process for manufacturing
FR560188A (en) * 1922-03-25 1923-09-29 Manufacturing process of artificial shine and other fine stones
US1745607A (en) * 1928-02-28 1930-02-04 D Esposito Ferdinand Composite gem
US2821114A (en) * 1952-04-16 1958-01-28 Pola Lux Ges Fur Blendschutz A Symmetrical interference polarizers
US3528261A (en) * 1968-04-12 1970-09-15 Harry S Jones Doublet gem construction
US3755025A (en) * 1972-01-17 1973-08-28 Chrom Tronics Inc Production of doublet blanks for simulated diamonds
DE2256955A1 (en) * 1972-11-21 1974-05-22 H W Brditschka Ohg Haid JEWELRY
US3808836A (en) * 1972-11-30 1974-05-07 H Jones Doublet gem construction

Also Published As

Publication number Publication date
EP0003174A2 (en) 1979-07-25
JPS54110070A (en) 1979-08-29

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

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AK Designated contracting states

Designated state(s): CH DE NL

AK Designated contracting states

Designated state(s): CH DE NL

17P Request for examination filed
RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: ALLIED CORPORATION

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19821103

RIN1 Information on inventor provided before grant (corrected)

Inventor name: O'DELL, EARL WAYNE

Inventor name: MORRIS, ROBERT GRAIG