US2808703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Master cylinder for hydraulic brake systems
Assignee: Fiat SpA
•
Filing: 1952-10-20
•
Granted: 1957-10-08
•
Expires: 1972-10-20
Abstract
No abstract record available.
Inventors
- 👤 Philip S Baldwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:31
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/10; F04B53/12; F04B53/121; B; B60; B60T; B60T11/00; B60T11/10; B60T11/16; B60T11/20; B60T11/22; B60T11/232; F15; F15B; F15B7/00; F15B7/06; F15B7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2114992A
Cited
US2276009A
Cited
US2272359A
Cited
US2232350A
Cited
US2326116A
Cited
US2444181A
Cited
US2615304A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |