US2705569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber draft gear assembly
Assignee: Cardwell Westinghouse Co
•
Filing: 1952-02-21
•
Granted: 1955-04-05
•
Expires: 1972-02-21
Abstract
No abstract record available.
Inventors
- 👤 Herbert E Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:27
CPC Classifications
B; B61; B61G; B61G9/00; B61G9/04; B61G9/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1660574A
Cited
US1865803A
Cited
US2038673A
Cited
US2077966A
Cited
US2147034A
Cited
US2197030A
Cited
US2503231A
Cited
US2527589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-04 | 1958-10-04 | 1959-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-04 | 1962-10-04 | 1963-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-04 | 1966-10-04 | 1967-04-05 | $7700.00 | Window Closed / Lapsed |