US2812701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary hoe
Assignee: Brillion Iron Works Inc
•
Filing: 1954-03-08
•
Granted: 1957-11-12
•
Expires: 1974-03-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Harrison Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:45
CPC Classifications
A; A01; A01B; A01B33/00; A01B33/08; A01B33/14; A01B33/142; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49448; Y10T29/4998; Y10T29/49993
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1867871A
Cited
US1932563A
Cited
US2388553A
Cited
US2547479A
Cited
US2597742A
Cited
US2560359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |