US2897227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
S-(chlorophenyl) o,o-dialkyl phosphorodithioates
Assignee: Dow Chemical Co
•
Filing: 1956-04-04
•
Granted: 1959-07-28
•
Expires: 1976-04-04
Abstract
No abstract record available.
Inventors
- 👤 Harold R Slagh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:48
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
AN S-(CHLOROPHENYL) O,O-DIALKYL PHOSPHORODITHIOATE HAVING THE FORMULA
Claim 2
Dependent Claim
7 words
AN S-(CHLOROPHENYL) O,O-DIALKYL PHOSPHORODITHIOATE HAVING THE FORMULA
References Cited (Backward Citations)
CH257649A
Cited
US2494283A
Cited
US2494126A
Cited
FR969440A
Cited
US2690450A
Cited
US2793224A
Cited
US2761806A
Cited
US2766170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |