Patent US2767631A successfully refreshed from Google Patents.
US2767631A
Expired / Lapsed
US
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Rod weeder attachment for agriculture implements
Assignee: Individual
•
Filing: 1953-07-22
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Granted: 1956-10-23
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Expires: 1973-07-22
Abstract
No abstract record available.
Inventors
- 👤 Harry L Mowbray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:20
CPC Classifications
A; A01; A01B; A01B13/00; A01B13/16; A01B39/00; A01B39/12; A01B39/18; A01B39/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1338204A
Cited
US1995160A
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US2208894A
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US2148370A
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US2318097A
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US2528270A
Cited
US2596270A
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US2664803A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |