US3489321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding mechanism for seed
Assignee: Kirschmann Manufacturing & Distributing
•
Filing: 1966-03-30
•
Granted: 1970-01-13
•
Expires: 1986-03-30
Abstract
No abstract record available.
Inventors
- 👤 John D Kirschmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:03
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/08; A01C7/12; A01C7/121; A01C7/06; A01C7/123; A01C7/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3120965A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |