Information
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Patent Grant
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D271587
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Patent Number
D271,587
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Date Filed
Monday, October 19, 198142 years ago
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Date Issued
Tuesday, November 29, 198340 years ago
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Inventors
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Original Assignees
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Examiners
- Burke; Wallace R.
- Wilder; Lynn
Agents
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US Classifications
Field of Search
US
- D15 7
- D15 9
- 294 641
- 294 642
- 294 655
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International Classifications
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Claims
- The ornamental design for a combined vacuum pump and control valve therefor, substantially as shown and described.
Priority Claims (1)
Number |
Date |
Country |
Kind |
56-18296 |
Apr 1981 |
JPX |
|
US Referenced Citations (3)
Foreign Referenced Citations (1)
Number |
Date |
Country |
52-446905 |
Apr 1977 |
JPX |