Patent US2758169A successfully refreshed from Google Patents.
US2919320A
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US
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Diaphragm-type pressure-actuated switch and method of fabricating same
Assignee: Bendix Aviation Corp
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Filing: 1956-07-25
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Granted: 1959-12-29
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Expires: 1976-07-25
Abstract
No abstract record available.
Inventors
- 👤 Jr John F Edwards
- 👤 Kenneth D Shaub
- 👤 Lindsay C Friend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:18
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/34; H01H35/346; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49105; Y10T29/49826; Y10T29/49877
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |