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Information
Patent Grant
D303616
References
Source
Patent Number
D303,616
Date Filed
Monday, June 23, 1986
38 years ago
Date Issued
Tuesday, September 26, 1989
35 years ago
Inventors
Norbert Leopoldi
Original Assignees
The Cloverline, Inc.
Examiners
Ansher; Bernard
Pfeffer; Terry A.
Agents
Knechtel; Robert E.
Demeur; Basil E.
US Classifications
D08 - Tools and hardware
Field of Search
US
D08 102-104
D19 72
D19 65
083 467
083 560
083 618
083 588
083 167
030 DIG 3
030 294
Term of Grant
14Years
Information
Content
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Abstract
Description
Claims
The ornamental design for a letter opener, as shown and described.
US Referenced Citations (2)
Number
Name
Date
Kind
D230320
Lowery
Feb 1974
2247840
Harrison
Jul 1941
Non-Patent Literature Citations (1)
Entry
U.S. Gov't. Office & Furnishings Supply catalog, 1982, p. 292, Model 1528, Paper Punch.