US2433953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure booster for hydraulic brake systems
Assignee: Automatic Shifters Inc
•
Filing: 1943-04-12
•
Granted: 1948-01-06
•
Expires: 1963-04-12
Abstract
No abstract record available.
Inventors
- 👤 Jeannot G Ingres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:35
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)
US1962857A
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US2074730A
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US2306346A
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US2236415A
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US2252482A
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US2191318A
Cited
GB514917A
Cited
US2260490A
Cited
US2353755A
Cited
US2318756A
Cited
US2332340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-05 | 1951-07-07 | 1952-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-05 | 1955-07-07 | 1956-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-05 | 1959-07-07 | 1960-01-06 | $7700.00 | Window Closed / Lapsed |