Patent US2672015A successfully refreshed from Google Patents.
US2672015A
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Hydraulic brake booster
Assignee: Individual
•
Filing: 1947-07-10
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Granted: 1954-03-16
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Expires: 1967-07-10
Abstract
No abstract record available.
Inventors
- 👤 Adams Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:14
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/241; B60T13/242; B60T13/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2289043A
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US2434588A
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US2322739A
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US2353755A
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US2305638A
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US2352357A
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US2383082A
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US2406328A
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US2393524A
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US2470748A
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US2587803A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |