US3581685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for distributing chemicals beneath the soil surface and conditioning seed beds
Assignee: Individual
•
Filing: 1968-04-01
•
Granted: 1971-06-01
•
Expires: 1988-04-01
Abstract
Abstract This invention relates to a device which distributes a layer of chemicals within the soil, with minimum disturbance of the soil surface.
Inventors
- 👤 Billy R Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:55
CPC Classifications
A; A01; A01C; A01C23/00; A01C23/02; A01C23/023; A01C23/025; A01M; A01M17/00; A01M17/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A device as set forth in claim 1, and wherein said fluid distribution means includes at least two nozzles having offset orifices adapted to spray greater amounts of fluid towards the sides rather than into the central area of said device.
Claim 2
Dependent Claim
46 words
A device as set forth in claim 1, ad further including rearwardly diverging dirt mover wings mounted on said shank above said blade and being adapted to control the amount of dirt passing over said blade and shield member when the same pass through the soil.
References Cited (Backward Citations)
US22860A
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US302436A
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CA530673A
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US1074217A
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DE335464C
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US1287930A
Cited
US1962116A
Cited
US2134245A
Cited
FR843895A
Cited
US3038424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |