Patent US2771390A successfully refreshed from Google Patents.
US2771390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synergistic insecticidal compositions
Assignee: Individual
•
Filing: 1954-08-12
•
Granted: 1956-11-20
•
Expires: 1974-08-12
Abstract
No abstract record available.
Inventors
- 👤 Williamson Byron
- 👤 Thurmond A Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:11
CPC Classifications
A; A01; A01N; A01N57/00; A01N57/10; A01N57/12; A01N2300/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
29 words
A STOMACH POISON FOR INSECTS INCLUDING 1,1-DICHLORO2,2-BIS(P-ETHYLPHENYL)ETHANE, A RESIDUAL TYPE BAIT, AND ANOTHER SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF O,O-DIMETHYL DITHIOPHOSPHATE OF DIETHYL MERCAPTOSUCCINATE AND O,O-DIETHYL-O-(2-ISOPROPYL-4-METHYL PYRIMIDYL (6))THIOPHOSPHATE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |