Transformer

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Information

Patent Grant
D290456

References
Source

Patent Number
D290,456
Date Filed
Tuesday, October 2, 1984
41 years ago
Date Issued
Tuesday, June 23, 1987
38 years ago

Inventors
- Peter H. Burgher
- John Boomer
Original Assignees
- Marelco Power Systems, Inc.
Examiners
- Burke; Wallace R.
- Takemoto; Ruth E.
Agents
- Gifford, Groh, VanOphem, Sheridan, Sprinkle and Dolgorukov

US Classifications
- D13 - Equipment for production, distribution, or transformation of energy
Field of Search
- US
- D13 4-6
- D13 8-10
- D13 12-13
- D13 24
- 336 133-134
- 336 178
- 336 210
- 336 65-67
- 336 83
- 336 90-92
- 336 98
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for transformer, substantially as shown.

US Referenced Citations (4)

Number	Name	Date	Kind
D202045	Oberlin	Aug 1965
3355689	Paddison et al.	Nov 1967
3535665	Belanger	Oct 1970
4009460	Fukui et al.	Feb 1977

Non-Patent Literature Citations (1)

Entry
Allied Electronics, 1975 Engineering Manual & Purchasing Guide, No. 750, p. 242, Transformers (top right).

Continuation in Parts (1)

	Number	Date	Country
Parent	565597	Dec 1983