US2764897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle tramming speed control mechanism
Assignee: Goodman Manufacturing Co LP
•
Filing: 1952-10-21
•
Granted: 1956-10-02
•
Expires: 1972-10-21
Abstract
No abstract record available.
Inventors
- 👤 Robert A Mccallum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:12
CPC Classifications
B; B62; B62D; B62D49/00; B62D49/06; B62D49/0692; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19126; Y10T74/19135; Y10T74/19219; Y10T74/19377; Y10T74/19386; Y10T74/194; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/2014
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |