Patent US2692893A successfully refreshed from Google Patents.
US2692893A
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Method of preparing dialkyl chlorothiophosphates
Assignee: Wyeth Holdings LLC
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Filing: 1952-04-05
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Granted: 1954-10-26
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Expires: 1972-04-05
Abstract
No abstract record available.
Inventors
- 👤 Hechenbleikner Ingenuin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:18
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A METHOD OF PREPARING A DIALKYL CHLOROTHIOPHOSPHATE OF THE GENERAL FORMULA
Claim 2
Independent Claim
11 words
A METHOD OF PREPARING A DIALKYL CHLOROTHIOPHOSPHATE OF THE GENERAL FORMULA
References Cited (Backward Citations)
US2060815A
Cited
US2482063A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-25 | 1958-04-26 | 1958-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-25 | 1962-04-26 | 1962-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-25 | 1966-04-26 | 1966-10-26 | $7700.00 | Window Closed / Lapsed |