Patent US3526281A successfully refreshed from Google Patents.
US3526281A
Expired / Lapsed
US
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Mounting apparatus for cultivator shields
Assignee: JAMES B MEADEN
•
Filing: 1967-11-22
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Granted: 1970-09-01
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Expires: 1987-11-22
Abstract
No abstract record available.
Inventors
- 👤 James B Meaden
- 👤 Ronald S Conway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:12
CPC Classifications
A; A01; A01B; A01B39/00; A01B39/20; A01B39/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US580250A
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US806446A
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US848741A
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US979264A
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US1003029A
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US1154063A
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US1377115A
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US1789780A
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US2433199A
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US3247911A
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US3429379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |