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US2697764A
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US
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Pressure-responsive switch
Assignee: BURGUA Corp
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Filing: 1950-06-17
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Granted: 1954-12-21
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Expires: 1970-06-17
Abstract
No abstract record available.
Inventors
- 👤 Burlingham Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:27
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2468768A
Cited
US891627A
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US1965543A
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US2013435A
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US2357878A
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US2421768A
Cited
US2493323A
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US2529688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |