US2703162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch control system
Assignee: United States Steel Corp
•
Filing: 1953-06-10
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Granted: 1955-03-01
•
Expires: 1973-06-10
Abstract
No abstract record available.
Inventors
- 👤 Charles J Keim
- 👤 Michael L Rizzone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:55
CPC Classifications
F; F16; F16D; F16D48/00; F16D48/02; F16D48/0206; F16D67/00; F16D67/02; F16D67/04; F16D2048/0221; F16D2048/0257; F16D2048/0281
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) | 1958-02-28 | 1958-08-30 | 1959-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-28 | 1962-08-30 | 1963-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-28 | 1966-08-30 | 1967-03-01 | $7700.00 | Window Closed / Lapsed |