US2583825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic brake safety device
Assignee: Individual
•
Filing: 1950-02-23
•
Granted: 1952-01-29
•
Expires: 1970-02-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Felt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:32
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/28; B60T11/32; B60T11/16; B60T11/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1443219A
Cited
US1652232A
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US1986763A
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US2056940A
Cited
US2104909A
Cited
US2203908A
Cited
US2119001A
Cited
GB504278A
Cited
US2123102A
Cited
US2249227A
Cited
US2239348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |