US2785347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time delay trip circuit breaker
Assignee: Westinghouse Electric Corp
•
Filing: 1953-07-03
•
Granted: 1957-03-12
•
Expires: 1973-07-03
Abstract
No abstract record available.
Inventors
- 👤 Bernard G Tremblay
- 👤 William H Stuellein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:39
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/44; H01H71/443
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1676282A
Cited
US2543410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |