Electrical circuit board

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Information

Patent Grant
D363920

References
Source

Patent Number
D363,920
Date Filed
Wednesday, December 2, 1992
33 years ago
Date Issued
Tuesday, November 7, 1995
30 years ago

Inventors
- John K. Roberts
- Keith R. Spencer
Original Assignees
- K. W. Muth Company, Inc.
Examiners
- Sincavage; Joel
Agents
- Wells, St. John, Roberts, Gregory & Matkin

US Classifications
- D13 - Equipment for production, distribution, or transformation of energy
Field of Search
- US
- D13 182
- 174 260
- 361 380
- 361 384
- 361 392
- 361 395
- 361 397
- 361 399
- 365 52
- 357 72
- 357 74
- 357 80
- 211 41
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an electrical circuit board, as shown and described.

US Referenced Citations (4)

Number	Name	Date	Kind
4599680	Gibson et al.	Jul 1986
4869680	Yamamoto et al.	Sep 1989
4914552	Kecmer	Apr 1990
4916575	Van Asten	Apr 1990

Non-Patent Literature Citations (3)

Entry
Switch regulator on p. 113 of EDN Jun. 21, 1990.
Circuit board on p. 63 of EDN Jan. 1991.
Circuit board on p. 136 of EDN Feb. 18, 1991.