Voltage transformer

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Information

Patent Grant
D289033

References
Source

Patent Number
D289,033
Date Filed
Friday, March 30, 1984
40 years ago
Date Issued
Tuesday, March 31, 1987
37 years ago

Inventors
- David N. Makinson
- Karl W. Struck
Original Assignees
- Sangamo Weston, Inc.
Examiners
- Burke; Wallace R.
- Takemoto; Ruth E.
Agents
- Gaudier; Dale

US Classifications
- D13 - Equipment for production, distribution, or transformation of energy
Field of Search
- US
- D13 2-4
- D13 11
- D13 13
- D13 24
- D13 30
- D13 40-41
- 200 5 R
- 200 293-294
- 200 297
- 200 3021
- 200 3022
- 200 333-334
- 336 83-84
- 336 90
- 336 92
- 336 173-176
- 174 50
- 174 52 R
- 174 53
- 174 58-60
- 174 65 R
- 174 66-67
- 361 331-332
- 361 334
- 361 346-347
- 361 350
- 361 356
- 361 380
- 361 390-392
- 361 394
- 220 32
- 220 33
- 220 241-242
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a voltage transformer, as shown.

US Referenced Citations (9)

Number	Name	Date	Kind
D104627	Hitchcock et al.	May 1937
D215447	Canney	Sep 1969
D219597	Smith	Dec 1970
D254846	Wood	Apr 1980
D260635	Lockwood	Sep 1981
1645165	Shackelton	Oct 1927
2211690	Edwards	Aug 1940
3264591	D'Entremont	Aug 1966
3760314	Krasienko et al.	Sep 1973

Non-Patent Literature Citations (1)

Entry
Allied Electronics 1975 Engineering Manual No. 750, p. 233, Transistor Transformer .circle.A and p. 235, Filament and Audio Transformers. .circle.C .