Retractable blade knife

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Information

Patent Grant
D305609

References
Source

Patent Number
D305,609
Date Filed
Tuesday, July 7, 1987
38 years ago
Date Issued
Tuesday, January 23, 1990
35 years ago

Inventors
- Shintaro Tsuji
Original Assignees
- Sanrio Company, Ltd.
Examiners
- Holtje; Nelson C.
- Heflin; Clare E.
Agents
- Owen, Wickersham & Erickson

US Classifications
- D08 - Tools and hardware
Field of Search
- US
- D08 14
- D08 95-102
- D08 107
- 030 155-163
- 030 2
- 030 294
- 030 314
- 030 DIG 3
- 030 340
- 030 112
- 030 308
- 030 329-339
- 007 158
- 007 118
- 007 119
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a retractable blade knife, as shown and described.

US Referenced Citations (4)

Number	Name	Date	Kind
D155087	Gordenier	Sep 1949
D264803	Machida	Jun 1982
460658	Pickering	Oct 1891
2474609	Wolf	Jun 1949

Foreign Referenced Citations (1)

Number	Date	Country
1522454	Aug 1978	GBX

Non-Patent Literature Citations (1)

Entry
Hong Kong Enterprise, Apr. 1983, p. 196; retractable blade cutters on left side of page.