US2764922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical weeders
Assignee: CLEAVE FARMS VAN
•
Filing: 1954-06-07
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Granted: 1956-10-02
•
Expires: 1974-06-07
Abstract
No abstract record available.
Inventors
- 👤 Carnall George
- 👤 Marvin A Van Cleave
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:21
CPC Classifications
A; A01; A01B; A01B39/00; A01B39/12; A01B39/18; A01B39/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |