US2436136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disc brake for railway vehicles
Assignee: American Steel Foundries
•
Filing: 1944-06-12
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Granted: 1948-02-17
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Expires: 1964-06-12
Abstract
No abstract record available.
Inventors
- 👤 Walter H Baselt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:31
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)
US1531285A
Cited
US1895772A
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US1838820A
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US1940845A
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US2174402A
Cited
US2355120A
Cited
US2355122A
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US2343342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-16 | 1951-08-18 | 1952-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-16 | 1955-08-18 | 1956-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-16 | 1959-08-18 | 1960-02-17 | $7700.00 | Window Closed / Lapsed |