Membership
Tour
Register
Log in
Document holder
Follow
Information
Patent Grant
D312840
References
Source
Patent Number
D312,840
Date Filed
Tuesday, June 23, 1987
38 years ago
Date Issued
Tuesday, December 11, 1990
35 years ago
Inventors
Laurence G. Ball
Macy J. Price Jr.
Mack E. Johnson
Original Assignees
Engineered Data Products, Inc.
Examiners
Dunkins; Bruce W.
Thompson; Martha
Agents
Klaas & Law
US Classifications
D19 - Office supplies
Field of Search
US
D19 32
D19 65
D19 75
D19 86
D19 90
D19 91
D19 99
040 10
040 359
040 360
Term of Grant
14Years
Information
Content
Industries
Organizations
People
Transactions
Events
Impact
Timeline
Abstract
Description
Claims
The ornamental design for a document holder, as shown and described.
US Referenced Citations (8)
Number
Name
Date
Kind
D240395
Feldmahr
Jul 1976
D240422
Feldmahr
Jul 1976
D244690
Hirsh
Jun 1977
D248484
Hedstrom et al.
Jul 1978
D250715
Hedstrom et al.
Jan 1979
D268348
Beleckis
Mar 1983
D288573
Kane et al.
Mar 1987
4031646
de Nouel
Jun 1977