US2953211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plow attachment
Assignee: DALE RUE
•
Filing: 1956-11-19
•
Granted: 1960-09-20
•
Expires: 1976-11-19
Abstract
No abstract record available.
Inventors
- 👤 Rudolph J Altgelt
- 👤 Rue Harold Dale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:41
CPC Classifications
A; A01; A01B; A01B15/00; A01B15/02; A01B15/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US463624A
Cited
US550318A
Cited
US870007A
Cited
US1026575A
Cited
US1289254A
Cited
US2672805A
Cited
US2712784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |