Patent US3039833A successfully refreshed from Google Patents.
US3039833A
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Fluid pressure responsive switch actuator
Assignee: Individual
•
Filing: 1959-07-08
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Granted: 1962-06-19
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Expires: 1979-07-08
Abstract
No abstract record available.
Inventors
- 👤 Thomas P Farkas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:40
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/38; F; F15; F15B; F15B5/00; Y; Y10; Y10S; Y10S277/00; Y10S277/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US874652A
Cited
US2628139A
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US2759061A
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US2819935A
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US2902557A
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US2895024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |