US3080890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure responsive operator
Assignee: Cutler Hammer Inc
•
Filing: 1959-04-02
•
Granted: 1963-03-12
•
Expires: 1979-04-02
Abstract
No abstract record available.
Inventors
- 👤 Donald M Papa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:48
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/34; H01H35/26; H01H35/30; H01H35/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1994835A
Cited
US2069016A
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US2438723A
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US2554266A
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US2664108A
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US2655573A
Cited
US2767277A
Cited
US2895494A
Cited
US2825361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |