Patent US2544042A successfully refreshed from Google Patents.
US2544042A
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US
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Hydraulic power brake servo mechanism
Assignee: Bendix Aviation Corp
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Filing: 1945-06-09
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Granted: 1951-03-06
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Expires: 1965-06-09
Abstract
No abstract record available.
Inventors
- 👤 George W Pontius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:56
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T13/14; B60T13/142; B60T13/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1831737A
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US1938979A
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US1991902A
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GB384678A
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FR747273A
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US2185449A
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US2266504A
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US2318756A
Cited
GB549300A
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US2385942A
Cited
US2413380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |