Patent US3158641A successfully refreshed from Google Patents.
US3158641A
Expired / Lapsed
US
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Hydrocarbonthiophosphonoxy-hydroxyoxahexyl alkenoates
Assignee: Texaco Inc
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Filing: 1962-10-18
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Granted: 1964-11-24
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Expires: 1982-10-18
Abstract
No abstract record available.
Inventors
- 👤 David D Reed
- 👤 James M Petersen
- 👤 Hazel E Kluge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:33
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2608; C10L1/2616; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4071; C07F9/4075; C08; C08F; C08F8/00; C08F8/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
A THIOPHOSPHONOXY ALKENOATE OF THE FORMULA:
Claim 2
Dependent Claim
6 words
A THIOPHOSPHONOXY ALKENOATE OF THE FORMULA:
Claim 3
Independent Claim
10 words
A METHOD OF PREPARING A THIOPHOSPHONOXY ALKENOATE OF THE FORMULA:
Claim 4
Independent Claim
10 words
A METHOD OF PREPARING A THIOPHOSPHONOXY ALKENOATE OF THE FORMULA:
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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |