US3040535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure differential operated brake booster mechanism
Assignee: Individual
•
Filing: 1958-01-21
•
Granted: 1962-06-26
•
Expires: 1978-01-21
Abstract
No abstract record available.
Inventors
- 👤 Glenn T Randol
- 👤 St Paull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:21
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/46; B60T13/52; B60T13/573
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR747273A
Cited
US2130799A
Cited
US2690740A
Cited
US2790306A
Cited
US2800770A
Cited
US2832316A
Cited
US2828719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |