US2475498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Implement attachment for tractors
Assignee: Individual
•
Filing: 1946-08-16
•
Granted: 1949-07-05
•
Expires: 1966-08-16
Abstract
No abstract record available.
Inventors
- 👤 Leslie C Haynes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:00
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2001803A
Cited
US2319921A
Cited
US2341776A
Cited
US2395622A
Cited
US2398964A
Cited
US2417021A
Cited
US2419493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-04 | 1953-01-03 | 1953-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-04 | 1957-01-03 | 1957-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-04 | 1961-01-03 | 1961-07-05 | $7700.00 | Window Closed / Lapsed |