Patent US2464636A successfully refreshed from Google Patents.
US2464636A
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Fluid pressure control system
Assignee: Bendix Westinghouse Automotive Air Brake Co
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Filing: 1943-07-28
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Granted: 1949-03-15
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Expires: 1963-07-28
Abstract
No abstract record available.
Inventors
- 👤 Wilfred A Eaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:13
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/02; F15B9/08; F02; F02D; F02D25/00; F02D25/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1538167A
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US2082410A
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US2081946A
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US2148305A
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US2103274A
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US2138148A
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US2265260A
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US2251293A
Cited
US2322518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-14 | 1952-09-13 | 1953-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-14 | 1956-09-13 | 1957-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-14 | 1960-09-13 | 1961-03-15 | $7700.00 | Window Closed / Lapsed |