US2866027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker
Assignee: Westinghouse Electric Corp
•
Filing: 1956-10-04
•
Granted: 1958-12-23
•
Expires: 1976-10-04
Abstract
No abstract record available.
Inventors
- 👤 Albert R Cellerini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:08
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2424909A
Cited
US2677026A
Cited
US2583174A
Cited
US2666114A
Cited
US2660638A
Cited
US2716679A
Cited
US2797277A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |