US2312424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lifting mechanism for tractor operated implements
Assignee: Individual
•
Filing: 1940-07-06
•
Granted: 1943-03-02
•
Expires: 1960-07-06
Abstract
No abstract record available.
Inventors
- 👤 Lentz Anton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:54
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/14; A01B63/24; A01B63/30; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19484; Y10T74/19493; Y10T74/19535; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20672; Y10T74/2069
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-03-01 | 1946-08-31 | 1947-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-03-01 | 1950-08-31 | 1951-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-03-01 | 1954-08-31 | 1955-03-02 | $7700.00 | Window Closed / Lapsed |