US3468106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aquatic weed harvester
Assignee: FAY A HAYES
•
Filing: 1966-09-08
•
Granted: 1969-09-23
•
Expires: 1986-09-08
Abstract
No abstract record available.
Inventors
- 👤 Robert R Myers
- 👤 Fay A Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:16
CPC Classifications
A; A01; A01D; A01D44/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US545950A
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US845937A
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US1028671A
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US1269515A
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US1481177A
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US1713739A
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US1795003A
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US2181863A
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US2711708A
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US3347029A
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US3387611A
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 |