Patent EP0230362A2 successfully refreshed from Google Patents.
US2941920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pesticidal phosphorus esters
Assignee: FMC Corp
•
Filing: 1957-04-22
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Granted: 1960-06-21
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Expires: 1977-04-22
Abstract
No abstract record available.
Inventors
- 👤 Joe R Willard
- 👤 John F Henahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:33
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/1652; C07F9/1651
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
19 words
A METHOD FOR CONTROLLING PESTS COMPRISING CONTACTING SAID PESTS WITH AN EFFECTIVE CONCENTRATION OF A COMPOUND OF CLAIM 15.
Claim 2
Dependent Claim
11 words
AS A NEW COMPOSITION OF MATTER A COMPOUND OF THE FORMULA:
Claim 3
Dependent Claim
11 words
AS A NEW COMPOSITION OF MATTER A COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
US2645657A
Cited
FR1133785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |