US2824187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic brake safety signal
Assignee: Individual
•
Filing: 1954-10-15
•
Granted: 1958-02-18
•
Expires: 1974-10-15
Abstract
No abstract record available.
Inventors
- 👤 Mac E Fanning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:32
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/64; G01F23/68; G01F23/70; B; B60; B60T; B60T17/00; B60T17/18; B60T17/22; B60T17/225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1232840A
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US2085173A
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US2278279A
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US2253260A
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US2474929A
Cited
US2479503A
Cited
US2586449A
Cited
US2613293A
Cited
US2744177A
Cited
US2780692A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |