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Information
Patent Grant
D309381
References
Source
Patent Number
D309,381
Date Filed
Thursday, April 23, 1987
37 years ago
Date Issued
Tuesday, July 24, 1990
34 years ago
Inventors
Randall P. Buhk
Original Assignees
Allsteel Inc.
Examiners
Dunkins; Bruce W.
Hunt; Ann
Agents
Lee, Mann, Smith, McWilliams & Sweeney
US Classifications
D06 - Furnishings
Field of Search
US
D06 360
D06 366
D06 379
D06 380
Term of Grant
14Years
Information
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Abstract
Description
Claims
The ornamental design for a swivel chair, as shown and described.
US Referenced Citations (4)
Number
Name
Date
Kind
D184855
Cramer
Apr 1959
D260330
Ruf
Aug 1981
D279241
Diffrient
Jun 1985
D283762
Caruso
May 1986
Non-Patent Literature Citations (2)
Entry
Interiors, 8/1976, p. 22, Chair, bottom left corner.
Interiors, May 1984, p. 19, Chair.