US3468267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mulching and seeding apparatus
Assignee: Union Carbide Corp
•
Filing: 1966-08-02
•
Granted: 1969-09-23
•
Expires: 1986-08-02
Abstract
No abstract record available.
Inventors
- 👤 Robert L Morris
- 👤 John F Kinney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:56
CPC Classifications
A; A01; A01G; A01G13/00; A01G13/30; A01G13/37; A01C; A01C5/00; A01C5/04; A01C5/045; A01C7/00; A01C7/06; A01G13/39
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US431288A
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AT101052B
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US2625122A
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US3204589A
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US3236199A
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US3176635A
Cited
US3228363A
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US3234691A
Cited
US3293797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |