US2563339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pilot brake for motor vehicles
Assignee: Individual
•
Filing: 1949-09-28
•
Granted: 1951-08-07
•
Expires: 1969-09-28
Abstract
No abstract record available.
Inventors
- 👤 George H Kellogg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:13
CPC Classifications
B; B60; B60T; B60T7/00; B60T7/02; B60T7/08; B60W; B60W30/00; B60W30/18; B60W2710/00; B60W2710/18; B60W30/1819; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20213; Y10T74/2022; Y10T74/20256; Y10T74/20268; Y10T74/20576; Y10T74/20732; Y10T74/20834
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1519172A
Cited
US1841294A
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US2129863A
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GB485304A
Cited
US2197671A
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US2223800A
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US2207954A
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US2494547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |