US3486439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agricultural apparatus
Assignee: NEW IDEA CORP
•
Filing: 1967-08-02
•
Granted: 1969-12-30
•
Expires: 1987-08-02
Abstract
No abstract record available.
Inventors
- 👤 Patrick L May
- 👤 Clyde G Vidrine
- 👤 Ralph E Beyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:55
CPC Classifications
A; A01; A01F; A01F15/00; A01F15/08; A01F15/10; A01F15/101; A01F2015/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1622375A
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US2581602A
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US2768406A
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US2948101A
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US2953864A
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US3054645A
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US3062592A
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US3068784A
Cited
US3113441A
Cited
US3156346A
Cited
US3391894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |