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Information
Patent Grant
D342201
References
Source
Patent Number
D342,201
Date Filed
Monday, October 21, 1991
34 years ago
Date Issued
Tuesday, December 14, 1993
31 years ago
Inventors
Nick Hsu
Examiners
Ansher; Bernard
Barkai; R.
US Classifications
D08 - Tools and hardware
Field of Search
US
D08 102
D08 103
D08 104
D10 71
D20 10
D20 39
D20 40
D20 41
D22 118
030 DIG 3
030 294
033 483
033 485
Term of Grant
14Years
Information
Content
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Abstract
Description
Claims
The ornamental design for letter opener, as shown.
US Referenced Citations (9)
Number
Name
Date
Kind
40163
Fitch
Oct 1863
D175170
Johnson
Jul 1955
D240190
Cleveland
Jun 1976
D306394
Koenig
Mar 1990
2599439
Drake
Jun 1952
2610399
Adams
Sep 1952
3009248
Tilly
Nov 1961
3028678
Tilly
Apr 1962
3290780
Oehlert
Dec 1966