US2817420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency and service brake control
Assignee: Yale and Towne Manufacturing Co
•
Filing: 1954-09-17
•
Granted: 1957-12-24
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Expires: 1974-09-17
Abstract
No abstract record available.
Inventors
- 👤 Bronislaus I Ulinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:53
CPC Classifications
B; B60; B60T; B60T7/00; B60T7/02; B60T7/04; B60T7/045; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20714; Y10T74/20726
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1222839A
Cited
US1563588A
Cited
US1995880A
Cited
US2156290A
Cited
GB426630A
Cited
US2189192A
Cited
US2219518A
Cited
US2720293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-23 | 1961-06-24 | 1961-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-23 | 1965-06-24 | 1965-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-23 | 1969-06-24 | 1969-12-24 | $7700.00 | Window Closed / Lapsed |