US1629640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic electric-circuit breaker
Assignee: Stotz G M B H Abt Der Brown Boveri & Cie A-G
•
Filing: 1926-08-19
•
Granted: 1927-05-24
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Expires: 1946-08-19
Abstract
No abstract record available.
Inventors
- 👤 Schachtner Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:54
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/32; H01H73/00; H01H73/48; H01H73/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1930-05-23 | 1930-11-22 | 1931-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-05-23 | 1934-11-22 | 1935-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-05-23 | 1938-11-22 | 1939-05-24 | $7700.00 | Window Closed / Lapsed |