US2685552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dimethyl 1-carbomethoxy-1-propen-2-yl phosphate
Assignee: Shell Development Co
•
Filing: 1952-02-29
•
Granted: 1954-08-03
•
Expires: 1972-02-29
Abstract
No abstract record available.
Inventors
- 👤 Alan R Stiles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:53
CPC Classifications
A; A01; A01N; A01N57/00; A01N57/10; A01N57/12; C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/113
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
3 words
DIMETHYL 1-CARBOMETHOXY-1-PROPEN-2-YL PHOSPHATE.
Claim 2
Dependent Claim
3 words
DIMETHYL 1-CARBOMETHOXY-1-PROPEN-2-YL PHOSPHATE.
Claim 3
Dependent Claim
16 words
AN INSECTICIDAL COMPOSITION COMPRISING AN INERT CARRIER MATERIAL AND AS AN ACTIVE INGREDIENT DIMETHYL 1-CARBOMETHOXY-1-PROPEN-2-UL PHOSPHATE.
Claim 4
Dependent Claim
16 words
AN INSECTICIDAL COMPOSITION COMPRISING AN INERT CARRIER MATERIAL AND AS AN ACTIVE INGREDIENT DIMETHYL 1-CARBOMETHOXY-1-PROPEN-2-UL PHOSPHATE.
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) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |