US2552048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tilting valve master cylinder
Assignee: Hydraulic Brake Co
•
Filing: 1947-07-09
•
Granted: 1951-05-08
•
Expires: 1967-07-09
Abstract
No abstract record available.
Inventors
- 👤 Brie Ludger E La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:29
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/16; B60T11/22; B60T11/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1786912A
Cited
US1833438A
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US2000187A
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US2152485A
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US2163874A
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US2258257A
Cited
GB539095A
Cited
US2314553A
Cited
US2299599A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |