Patent US2956919A successfully refreshed from Google Patents.
US2956919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-oxo-2-halo phosphonates
Assignee: Monsanto Chemicals Ltd
•
Filing: 1955-05-23
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Granted: 1960-10-18
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Expires: 1975-05-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Baker
- 👤 George A Saul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:42
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4062; C07F9/4065
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
19 words
AN INSECTICIDAL COMPOSITION COMPRISING A CARRIER AND CONTAINING, AS THE ACTIVE INSECTICIDAL COMPONENT THEREOF, A COMPOUND OF THE FORMULA
Claim 4
Dependent Claim
19 words
AN INSECTICIDAL COMPOSITION COMPRISING A CARRIER AND CONTAINING, AS THE ACTIVE INSECTICIDAL COMPONENT THEREOF, A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2491920A
Cited
US2719167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |