US2831324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Master cylinder for hydraulic brake system
Assignee: Fiat SpA
•
Filing: 1955-10-17
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Granted: 1958-04-22
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Expires: 1975-10-17
Abstract
No abstract record available.
Inventors
- 👤 Baldwin Philip Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:08
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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |