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http://www.google.ca/patents/US1491685?utm_source=gb-gplus-share
Patent US1491685 - SCHOOL FURNITURE
SCHOOL FURNITURE
HUBERT C. EICHER et al
› Overview
Abstract
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Description
Claims
Patent number
: 1491685
Filing date
: 5 May 1923
Issue date
: 22 Apr 1924
Inventors
:
HUBERT C. EICHER
,
HUBERT C. EICHER
Current U.S. Classification
:
248/408
;
297/165
View patent at USPTO
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Referenced by
Citing Patent
Filing date
Issue date
Original Assignee
Title
US4113221
27 May 1977
12 Sep 1978
Cramer Industries, Inc.
Locking device
US4165854
29 Mar 1978
28 Aug 1979
Cramer Industries, Inc.
Eccentric pawl for chair locking device
Drawings
Drawings
Drawings
