US3530412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker stack including auxiliary alarm switch
Assignee: ITE Imperial Corp
•
Filing: 1968-07-17
•
Granted: 1970-09-22
•
Expires: 1988-07-17
Abstract
No abstract record available.
Inventors
- 👤 Carl E Gryctko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:51
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/02; H01H73/12; H01H73/14; H01H71/00; H01H71/10; H01H71/12; H01H71/46; H01H71/462
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3256407A
Cited
US3436695A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |