US2893499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blade mounting for a tillage tool
Assignee: Individual
•
Filing: 1955-09-21
•
Granted: 1959-07-07
•
Expires: 1975-09-21
Abstract
No abstract record available.
Inventors
- 👤 William G Shollenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:58
CPC Classifications
A; A01; A01B; A01B17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA495980A
Cited
US1130655A
Cited
US1438857A
Cited
US1987268A
Cited
US2323412A
Cited
US2154970A
Cited
US2322115A
Cited
US2576361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |