US2670974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Take-up device for slack adjusters
Assignee: Continental Transport Appliances Ltd
•
Filing: 1952-07-11
•
Granted: 1954-03-02
•
Expires: 1972-07-11
Abstract
No abstract record available.
Inventors
- 👤 George B Dorey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:53
CPC Classifications
B; B61; B61H; B61H15/00; B61H15/0007; B61H15/0014; B61H15/0028; Y; Y10; Y10T; Y10T403/00; Y10T403/29
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US898887A
Cited
US1226830A
Cited
GB129695A
Cited
GB118769A
Cited
US1483051A
Cited
US1715680A
Cited
DE610203C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |