Patent US2392068A successfully refreshed from Google Patents.
US2392068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric brake
Assignee: Individual
•
Filing: 1944-01-03
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Granted: 1946-01-01
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Expires: 1964-01-03
Abstract
No abstract record available.
Inventors
- 👤 De Laney E Sexton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:39
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/0078; B23Q11/0092; F; F16; F16D; F16D49/00; F16D49/02; F16D2121/00; F16D2121/18; F16D2121/20; F16D2123/00
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) | 1948-12-31 | 1949-07-02 | 1950-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-12-31 | 1953-07-02 | 1954-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-12-31 | 1957-07-02 | 1958-01-01 | $7700.00 | Window Closed / Lapsed |