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Patent US3185397A successfully refreshed from Google Patents.
US3185397A
Expired / Lapsed
US
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Leaf sprayers
Assignee: Individual
•
Filing: 1963-04-22
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Granted: 1965-05-25
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Expires: 1983-04-22
Abstract
No abstract record available.
Inventors
- 👤 Permil N Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:04
CPC Classifications
A; A01; A01M; A01M7/00; A01M7/005; B; B05; B05B; B05B1/00; B05B1/14; B05B1/20; B05B1/205
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |