US2994283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Car-retarding and holding mechanism
Assignee: Nolan Co
•
Filing: 1959-05-27
•
Granted: 1961-08-01
•
Expires: 1979-05-27
Abstract
No abstract record available.
Inventors
- 👤 Glenn W Merritt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:34
CPC Classifications
B; B61; B61K; B61K7/00; B61K7/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US690814A
Cited
US1220122A
Cited
US2572011A
Cited
US2630077A
Cited
US2689036A
Cited
US2847945A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |