US2857309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dimethylbenzyl chrysanthemumates as insecticides
Assignee: Individual
•
Filing: 1957-10-29
•
Granted: 1958-10-21
•
Expires: 1977-10-29
Abstract
No abstract record available.
Inventors
- 👤 William F Barthel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:40
CPC Classifications
A; A01; A01N; A01N53/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
20 words
AN INSECTICIDE COMPRISING A MEMBER SELECTED FROM THE GROUP CONSISTING OF 2,4-DIMETHYLBENZYL CHRYSANTHENUMATE AND 3,4-DIMETHYLBENZYL CHRYSANTHEMUMATE IN AN INERT CARRIER.
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) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |