US2866317A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Booster brake mechanism
Assignee: Individual
•
Filing: 1953-02-16
•
Granted: 1958-12-30
•
Expires: 1973-02-16
Abstract
No abstract record available.
Inventors
- 👤 Stelzer William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:48
CPC Classifications
F; F15; F15B; F15B17/00; B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T13/16; B60T13/161; B60T13/165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE19681E
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US1886309A
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GB443448A
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FR47185E
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FR835760A
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US2331238A
Cited
US2322063A
Cited
US2368043A
Cited
US2414675A
Cited
US2499775A
Cited
US2503892A
Cited
US2636349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |