US2861654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway disk brakes
Assignee: ThyssenKrupp Budd Co
•
Filing: 1956-07-10
•
Granted: 1958-11-25
•
Expires: 1976-07-10
Abstract
No abstract record available.
Inventors
- 👤 Walter B Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:59
CPC Classifications
B; B61; B61H; B61H5/00; F; F16; F16D; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/2245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2025830A
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US2326000A
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US2402386A
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US2504668A
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US2504712A
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US2527072A
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US2590062A
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US2451329A
Cited
US2622704A
Cited
US2777540A
Cited
US2760601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |