US2934618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure responsive switch
Assignee: Controls Company of America
•
Filing: 1955-07-11
•
Granted: 1960-04-26
•
Expires: 1975-07-11
Abstract
No abstract record available.
Inventors
- 👤 Wilbert E Beller
- 👤 Gebel Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:04
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/34; H01H35/26; H01H35/2607; H01H35/2614
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1710859A
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US2390145A
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US2541643A
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US2595967A
Cited
US2636093A
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US2681221A
Cited
US2720564A
Cited
US2813944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |