Key blank

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Information

Patent Grant
D307863

References
Source

Patent Number
D307,863
Date Filed
Monday, August 22, 1988
36 years ago
Date Issued
Tuesday, May 15, 1990
34 years ago

Inventors
- Nigel Boag
Original Assignees
- MASCO BUILDING PRODUCTS CORP
Examiners
- Burke; Wallace R.
- Vinson; Brian N.
Agents
- Zarins; Edgar A.
- Sutherland; Malcolm L.

US Classifications
- D08 - Tools and hardware
Field of Search
- US
- D08 347-348
- 070 393
- 070 402
- 070 405
- 070 407-408
- 070 401
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a key blank, as shown and described.

US Referenced Citations (7)

Number	Name	Date	Kind
D259994	Salcedo	Jul 1981
D272516	Ohno	Feb 1984
D274302	Widen	Jun 1984
D278880	Widen	May 1985
D283978	Mills	May 1986
D290085	Foshee	Jun 1987
4498327	Preddy et al.	Feb 1985

Non-Patent Literature Citations (1)

Entry
Iko-Unican Catalogue, #60-R (1984), p. 115, key blank for P-1555-Weiser (middle row, far right).