US2690740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-assisted master cylinder
Assignee: Bendix Aviation Corp
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Filing: 1953-04-28
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Granted: 1954-10-05
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Expires: 1973-04-28
Abstract
No abstract record available.
Inventors
- 👤 Edward E Hupp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:49
CPC Classifications
G; G05; G05G; G05G1/00; G05G1/30; B; B60; B60T; B60T11/00; B60T11/10; B60T11/16; B60T11/22; B60T13/00; B60T13/10; B60T13/24; B60T13/241; B60T13/242; B60T13/244; B60T13/46; B60T13/52; B60T13/565; G05G5/00; G05G5/03; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20528
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |