US2769625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swingable mount for ripper blade
Assignee: American Tractor Equipment Corp
•
Filing: 1955-01-18
•
Granted: 1956-11-06
•
Expires: 1975-01-18
Abstract
No abstract record available.
Inventors
- 👤 Wooldridge Mack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:20
CPC Classifications
A; A01; A01B; A01B13/00; A01B13/08; E; E02; E02F; E02F5/00; E02F5/30; E02F5/32
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1050993A
Cited
US1948509A
Cited
US2134438A
Cited
US2163999A
Cited
GB547289A
Cited
US2385950A
Cited
US2648268A
Cited
US2660938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |