US3061707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-temperature operated electrical switching apparatus
Assignee: Individual
•
Filing: 1959-10-20
•
Granted: 1962-10-30
•
Expires: 1979-10-20
Abstract
No abstract record available.
Inventors
- 👤 Stiebel Theodor Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:13
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732478A
Cited
US1620183A
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US1833996A
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US2024060A
Cited
US2369986A
Cited
US2432169A
Cited
US2576688A
Cited
US2902581A
Cited
US2977456A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |