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http://www.google.ca/patents/US3216681?utm_source=gb-gplus-share
Patent US3216681 - BASE FOR LARGE SUNSHADES OF THE BEACHXUMBRELLA T TYPE, WITH VARIABLE WEIGHT
BASE FOR LARGE SUNSHADES OF THE BEACHXUMBRELLA T TYPE, WITH VARIABLE WEIGHT
Paolo Tagliavia et al
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Abstract
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Description
Claims
Patent number
: 3216681
Filing date
: 23 Mar 1964
Issue date
: 1965
Inventors
:
Paolo Tagliavia
,
Paolo Tagliavia
Current U.S. Classification
:
248/529
;
108/50.12
;
248/127
;
248/346.03
;
248/346.2
;
248/910
View patent at USPTO
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Drawings
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