Patent US2903393A successfully refreshed from Google Patents.
US2903393A
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Diethylamine addition products of acid phosphates
Assignee: Virginia Carolina Chemical Corp
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Filing: 1958-01-17
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Granted: 1959-09-08
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Expires: 1978-01-17
Abstract
No abstract record available.
Inventors
- 👤 Allen George Jackson
- 👤 Parsons Robert Carryll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:14
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
17 words
METHOD OF CONTROLLING NEMATODES IN THE SOIL WHICH COMPRISES APPLYING THERETO A COMPOUND OF THE GENERAL FORMULA
References Cited (Backward Citations)
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US2508430A
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US2725394A
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US2745863A
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US2815324A
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US2790765A
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US2790766A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |