US2532960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake booster
Assignee: Individual
•
Filing: 1943-12-03
•
Granted: 1950-12-05
•
Expires: 1963-12-03
Abstract
No abstract record available.
Inventors
- 👤 Stelzer William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:25
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)
FR747273A
Cited
US2190238A
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US2093543A
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US2252482A
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US2289043A
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US2260491A
Cited
US2317601A
Cited
US2328637A
Cited
US2317604A
Cited
US2332340A
Cited
US2374235A
Cited
US2340113A
Cited
US2347349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |