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http://www.google.com.au/patents/US505901?utm_source=gb-gplus-share
Patent US505901 - CALENDAR-TABLE AND CALENDAR
CALENDAR-TABLE AND CALENDAR
CALENDAR TABLE et al
› Overview
Abstract
Drawings
Description
Claims
Patent number
: 505901
Filing date
: 25 Oct 1892
Issue date
: 3 Oct 1893
Inventors
:
CALENDAR TABLE
,
CALENDAR TABLE
Current U.S. Classification
:
283/2
View patent at USPTO
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Referenced by
Citing Patent
Filing date
Issue date
Original Assignee
Title
US4813707
11 Mar 1988
21 Mar 1989
Perpetual calendar
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