US2886670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical circuit breakers
Assignee: Individual
•
Filing: 1956-05-07
•
Granted: 1959-05-12
•
Expires: 1976-05-07
Abstract
No abstract record available.
Inventors
- 👤 Ambrose P Dillon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:14
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/22; H01H73/30; H01H71/00; H01H71/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE537900C
Cited
US1939194A
Cited
US2070305A
Cited
GB427512A
Cited
US2229843A
Cited
US2567361A
Cited
US2664480A
Cited
US2755358A
Cited
US2639348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |