US2954394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
O-aryl o-alkyl o-hydrogen phosphorothioates and their salts
Assignee: Dow Chemical Co
•
Filing: 1957-06-10
•
Granted: 1960-09-27
•
Expires: 1977-06-10
Abstract
No abstract record available.
Inventors
- 👤 Etcyl H Blair
- 👤 Edgar C Britton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:05
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
17 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) THE O-ARYL O-ALKYL O-HYDROGEN PHOSPHOROTHIOATES HAVING THE FORMULA
Claim 2
Dependent Claim
17 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) THE O-ARYL O-ALKYL O-HYDROGEN PHOSPHOROTHIOATES HAVING THE FORMULA
References Cited (Backward Citations)
US1748619A
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US2252984A
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US2494283A
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US2542604A
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US2656374A
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US2815324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |