Patent US4012455A successfully refreshed from Google Patents.
US2987437A
Expired / Lapsed
US
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Nematocidal composition
Assignee: GAF Chemicals Corp
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Filing: 1958-03-06
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Granted: 1961-06-06
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Expires: 1978-03-06
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Hessel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:18
CPC Classifications
A; A01; A01N; A01N43/00; A01N43/02; A01N43/04; A01N43/06; A01N43/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A LIQUID NEMATOCIDAL COMPOSITION COMPRISING 40 PARTS BY WEIGHT OF 3,4-DICHLOROTETRAHYDROTHIOPHENE-1,1DIOXIDE AND 60 PARTS BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF Y-BUTYROLACTONE AND 2PYRROLIDONE.
Claim 2
Dependent Claim
28 words
A LIQUID NEMATOCIDAL COMPOSITION COMPRISING 40 PARTS BY WEIGHT OF 3,4-DICHLOROTETRAHYDROTHIOPHENE-1,1DIOXIDE AND 60 PARTS BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF Y-BUTYROLACTONE AND 2PYRROLIDONE.
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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) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |