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Patent US2572898A successfully refreshed from Google Patents.
US2572898A
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Insecticidal composition comprising nicotine sulfate and 4, 4'-dichlorodiphenyl sulfide
Assignee: Individual
•
Filing: 1949-02-18
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Granted: 1951-10-30
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Expires: 1969-02-18
Abstract
No abstract record available.
Inventors
- 👤 Charles F Woodward
- 👤 Elmer L Mayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:51
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/12; A; A01; A01N; A01N43/00; A01N43/34; A01N43/40; A01N2300/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
12 words
AN INSECTICIDAL COMPOSITION COMPRISING NICOTINE SULFATE AND 4,4''-DICHLORODIPHENYL SULFIDE AS SYNERGIST THEREFOR.
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) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |