US1543495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil circuit breaker
Assignee: Individual
•
Filing: 1921-12-05
•
Granted: 1925-06-23
•
Expires: 1941-12-05
Abstract
No abstract record available.
Inventors
- 👤 Bowie Augustus Jesse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:06
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/32; H01H3/46; H01H3/60; H01H33/00; H01H33/02; H01H33/04; H01H33/14
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) | 1928-06-22 | 1928-12-22 | 1929-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-06-22 | 1932-12-22 | 1933-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-06-22 | 1936-12-22 | 1937-06-23 | $7700.00 | Window Closed / Lapsed |