US2934041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Booster mechanism
Assignee: ZF Active Safety US Inc
•
Filing: 1957-06-24
•
Granted: 1960-04-26
•
Expires: 1977-06-24
Abstract
No abstract record available.
Inventors
- 👤 Jr David T Ayers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:03
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T13/16; B60T13/161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB365717A
Cited
US2229247A
Cited
US2241374A
Cited
GB640542A
Cited
DE830004C
Cited
US2766732A
Cited
US2775957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |