US1439693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overload-circuit breaker
Assignee: Chicago Pneumatic Tool Co LLC
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Filing: 1921-03-14
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Granted: 1922-12-26
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Expires: 1941-03-14
Abstract
No abstract record available.
Inventors
- 👤 Charles B Coates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:30
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/44; H01H71/443
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) | 1925-12-25 | 1926-06-26 | 1926-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-12-25 | 1930-06-26 | 1930-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-12-25 | 1934-06-26 | 1934-12-26 | $7700.00 | Window Closed / Lapsed |