Patent US1498983A successfully refreshed from Google Patents.
US1498983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-cooled brake or clutch
Assignee: Individual
•
Filing: 1922-05-16
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Granted: 1924-06-24
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Expires: 1942-05-16
Abstract
No abstract record available.
Inventors
- 👤 Charles D Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:47
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/78; F16D65/80; F16D69/00; F16D69/04; F16D2069/005; F16D2069/006
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) | 1927-06-24 | 1927-12-24 | 1928-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-06-24 | 1931-12-24 | 1932-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-06-24 | 1935-12-24 | 1936-06-24 | $7700.00 | Window Closed / Lapsed |