Patent US2658348A successfully refreshed from Google Patents.
US2658348A
Expired / Lapsed
US
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Booster brake mechanism
Assignee: Individual
•
Filing: 1950-03-22
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Granted: 1953-11-10
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Expires: 1970-03-22
Abstract
No abstract record available.
Inventors
- 👤 Stelzer William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:01
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/241; B60T13/242; B60T13/245; B60T11/00; B60T11/10; B60T11/16; B60T11/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1834368A
Cited
US2057707A
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US2115438A
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US2206976A
Cited
FR835760A
Cited
US2353755A
Cited
US2328637A
Cited
US2352357A
Cited
US2322063A
Cited
US2429195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |