US2903095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor brake
Assignee: American Steel Foundries
•
Filing: 1954-09-17
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Granted: 1959-09-08
•
Expires: 1974-09-17
Abstract
No abstract record available.
Inventors
- 👤 Carl E Tack
- 👤 Robert W Lanman
- 👤 Norman F Flesch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:26
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/2245; B; B61; B61H; B61H5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1434678A
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US1779776A
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US2214762A
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US2273634A
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US2274859A
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US2357263A
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US2447244A
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US2488845A
Cited
US2667946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |