Patent US2767275A successfully refreshed from Google Patents.
US2767275A
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Differential pressure switch
Assignee: Motors Liquidation Co
•
Filing: 1951-09-05
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Granted: 1956-10-16
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Expires: 1971-09-05
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Gaubatz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:40
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/32; Y; Y10; Y10S; Y10S116/00; Y10S116/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1544314A
Cited
US764572A
Cited
US1847086A
Cited
US1948503A
Cited
US2049531A
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US2147031A
Cited
FR834242A
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US2339087A
Cited
US2269787A
Cited
US2434794A
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US2581078A
Cited
US2470742A
Cited
US2531479A
Cited
US2508584A
Cited
US2527171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |