Letter opener

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Information

Patent Grant
D256548

References
Source

Patent Number
D256,548
Date Filed
Monday, April 3, 1978
47 years ago
Date Issued
Tuesday, August 26, 1980
44 years ago

Inventors
- Jerome A. Grunstad
Original Assignees
- KETCHAM & MCDOUGALL, INC
Examiners
- Stearman; Joel
- Word; George P.
Agents
- Greigg; Edwin E.

US Classifications
- D08 - Tools and hardware
- D07 - Equipment for preparing or serving food or drink not elsewhere specified
Field of Search
- US
- D08 102-104
- D08 14
- D08 19
- D08 47
- D08 98
- D19 75
- D07 147
- D07 137
- D07 151
- 030 DIG 3
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a letter opener, as shown.

US Referenced Citations (7)

Number	Name	Date	Kind
D33324	Atwell	Oct 1900
D44646	Thomson	Sep 1913
D45277	Vaughan	Feb 1914
D50278	Mendenhall	Feb 1917
D147593	Lipic	Sep 1947
D172025	Hopstein	Apr 1954
D230563	Stahel	Mar 1974