US3310463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insecticidal materials
Assignee: Pyrethrum Board of Kenya
•
Filing: 1966-07-11
•
Granted: 1967-03-21
•
Expires: 1986-07-11
Abstract
No abstract record available.
Inventors
- 👤 Hopkins Leslie Owen
- 👤 Maciver Donald Roderick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:13
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/44; C07D317/46; C07D317/48; C07D317/50; C07D317/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
AN INSECTICIDAL COMPOSITION COMPRISING FROM 99 TO 1% BY WEIGHT OF A PIPERONYL ACETAL HAVING THE FORMULA
Claim 2
Dependent Claim
17 words
AN INSECTICIDAL COMPOSITION COMPRISING FROM 99 TO 1% BY WEIGHT OF A PIPERONYL ACETAL 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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |