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US3200907A
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US
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Positive parking brake
Assignee: Individual
•
Filing: 1963-09-25
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Granted: 1965-08-17
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Expires: 1983-09-25
Abstract
No abstract record available.
Inventors
- 👤 Eimer K Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:14
CPC Classifications
B; B60; B60T; B60T1/00; B60T1/005; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/21; Y10T74/2133; Y10T74/2136
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US506504A
Cited
US1495819A
Cited
US2587746A
Cited
US2770326A
Cited
US2954103A
Cited
US3117653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |