US2919330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low-oil content high-tension oil circuit breaker
Assignee: Maschinenfabrik Oerlikon AG
•
Filing: 1957-01-22
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Granted: 1959-12-29
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Expires: 1977-01-22
Abstract
No abstract record available.
Inventors
- 👤 Gantenbein Andreas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:49
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/70; H01H33/88; H01H33/90; H01H33/92
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US819524A
Cited
GB499663A
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DE716296C
Cited
GB500731A
Cited
US2281385A
Cited
US2258226A
Cited
US2650972A
Cited
US2668217A
Cited
US2749412A
Cited
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 |