Patent US2826530A successfully refreshed from Google Patents.
US2826530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synergistic insecticidal compositions comprising an 0, 0-di-alkyl thiophosphate-4-methylumbelliferone
Assignee: Individual
•
Filing: 1954-06-14
•
Granted: 1958-03-11
•
Expires: 1974-06-14
Abstract
No abstract record available.
Inventors
- 👤 Gaines W Eddy
- 👤 Edward F Knipling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:08
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/655; C07F9/6552; C07F9/65522; C07F9/06; C07F9/16; C07F9/165; C07F9/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
AN INSECTICIDE COMPRISING A MIXTURE CONTAINING AS A TOXICANT AN ORGANIC PHOSPHATE HAVING THE FORMULA
Claim 2
Dependent Claim
15 words
AN INSECTICIDE COMPRISING A MIXTURE CONTAINING AS A TOXICANT AN ORGANIC PHOSPHATE HAVING 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) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |