Patent US3146740A successfully refreshed from Google Patents.
US3146740A
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Soil chemical distributing device
Assignee: Union Carbide Corp
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Filing: 1961-11-16
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Granted: 1964-09-01
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Expires: 1981-11-16
Abstract
No abstract record available.
Inventors
- 👤 Irvine L Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:41
CPC Classifications
A; A01; A01B; A01B39/00; A01B39/12; A01B39/18; A01B39/19; A01B49/00; A01B49/04; A01B49/06; A01C; A01C23/00; A01C23/02; A01C23/023; A01C23/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A DEVICE FOR APPLYING CHEMICALS TO SOIL FOR THE TREATMENT THEREOF COMPRISING, IN COMBINATION: (A) A FRAME ADAPTED TO BE PROPELLED OVER AN AGRICULTURAL FIELD; (B) DISINTERGRATING MEANS MOUNTED ON SAID FRAME OPERABLE TO DISINTERGRATE THE SOIL ALONG WITH THE MATTER CONTAINED THEREIN WHICH LIE IN A PREDETERMINED STRATUM OF EARTH WHILE SAID FRAME IS MOVED OVER THE AGRICULTURAL FIELD;
Claim 2
Independent Claim
60 words
A DEVICE FOR APPLYING CHEMICALS TO SOIL FOR THE TREATMENT THEREOF COMPRISING, IN COMBINATION: (A) A FRAME ADAPTED TO BE PROPELLED OVER AN AGRICULTURAL FIELD; (B) DISINTERGRATING MEANS MOUNTED ON SAID FRAME OPERABLE TO DISINTERGRATE THE SOIL ALONG WITH THE MATTER CONTAINED THEREIN WHICH LIE IN A PREDETERMINED STRATUM OF EARTH WHILE SAID FRAME IS MOVED OVER THE AGRICULTURAL FIELD;
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |