US3141259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agricultural dusting
Assignee: Individual
•
Filing: 1960-10-26
•
Granted: 1964-07-21
•
Expires: 1980-10-26
Abstract
No abstract record available.
Inventors
- 👤 Willis R Winters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:09
CPC Classifications
A; A01; A01M; A01M9/00; A01M9/0007; B; B05; B05B; B05B5/00; B05B5/025; B05B5/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
IN AN APPARATUS FOR DUSTING AGRICULTURAL CHEMICALS UPON GROWING CROPS INCLUDING A TUBE AND MEANS FOR BLOWING A CHEMICAL-AIR MIXTURE THROUGH THE TUBE, THE IMPROVEMENT COMPRISING: AN INSULATED ELECTRICAL CONDUCTOR EXTENDING NORMAL TO THE AXIS OF THE TUBE, AND AN ELONGATED POINTED CONDUCTOR ELEMENT COAXIAL WITH THE TUBE PIERCED THROUGH THE INSULATED ELECTRICAL CONDUCTOR.
Claim 2
Dependent Claim
54 words
IN AN APPARATUS FOR DUSTING AGRICULTURAL CHEMICALS UPON GROWING CROPS INCLUDING A TUBE AND MEANS FOR BLOWING A CHEMICAL-AIR MIXTURE THROUGH THE TUBE, THE IMPROVEMENT COMPRISING: AN INSULATED ELECTRICAL CONDUCTOR EXTENDING NORMAL TO THE AXIS OF THE TUBE, AND AN ELONGATED POINTED CONDUCTOR ELEMENT COAXIAL WITH THE TUBE PIERCED THROUGH THE INSULATED ELECTRICAL CONDUCTOR.
References Cited (Backward Citations)
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Cited
US1282697A
Cited
US1598269A
Cited
US1787585A
Cited
US2221338A
Cited
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Cited
US2659841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |