US3439636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cultivator tine with fluid dispenser
Assignee: LAWRENCE W LEMKE
•
Filing: 1967-05-29
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Granted: 1969-04-22
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Expires: 1987-05-29
Abstract
No abstract record available.
Inventors
- 👤 Lawrence W Lemke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:29
CPC Classifications
A; A01; A01C; A01C23/00; A01C23/02; A01C23/023; A01C23/025; A01B; A01B25/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2849970A
Cited
US2988026A
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US2874656A
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US3003664A
Cited
US3188989A
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US3259087A
Cited
US3326152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |