Patent US2513754A successfully refreshed from Google Patents.
US2513754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit maker and breaker
Assignee: Individual
•
Filing: 1948-04-16
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Granted: 1950-07-04
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Expires: 1968-04-16
Abstract
No abstract record available.
Inventors
- 👤 Sidwar Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:08
CPC Classifications
B; B61; B61L; B61L1/00; B61L1/02; B61L1/06; H; H01; H01H; H01H1/00; H01H1/12; H01H1/14; H01H1/16; H01H35/00; H01H35/02; H01H7/00; H01H7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |