Patent US3228827A successfully refreshed from Google Patents.
US3228827A
Expired / Lapsed
US
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Nematode control employing alkanesulfonic acids
Assignee: Shell USA Inc
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Filing: 1963-05-03
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Granted: 1966-01-11
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Expires: 1983-05-03
Abstract
No abstract record available.
Inventors
- 👤 John E Larson
- 👤 Jr Jerome G Kuderna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:47
CPC Classifications
A; A01; A01N; A01N41/00; A01N41/02; A01N41/04; C; C07; C07C; C07C309/00; C07C309/63; C07C309/64; C07C309/65
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
23 words
A METHOD FRO COMBATTING SOIL-BORNE NEMATODES WHICH COMPRESES INTRODUCING INTO NEMATODE-INFESTED SOIL AN EFFECTIVE DOSAGE OF AT LEAST ONE COMPOUND OF THE FORMULA:
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |