US3288819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zinc salts of glycerol monoester dithiophosphates
Assignee: Standard Oil Co
•
Filing: 1961-10-30
•
Granted: 1966-11-29
•
Expires: 1981-10-30
Abstract
No abstract record available.
Inventors
- 👤 George R Tichelaar
- 👤 Roger W Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:25
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6571; C07F9/657109; C07F9/657118; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M2207/00; C10M2207/04; C10M2207/28; C10M2207/282; C10M2207/34; C10M2219/00; C10M2219/02; C10M2219/022; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
AS A COMPOSITION OF MATTER, A SALT HAVING THE FOLLOWING STRUCTURAL FORMULA:
Claim 2
Dependent Claim
12 words
AS A COMPOSITION OF MATTER, A SALT HAVING THE FOLLOWING STRUCTURAL FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |