US3053769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thickening of greases with organo phosphorus compounds
Assignee: Standard Oil Co
•
Filing: 1959-03-13
•
Granted: 1962-09-11
•
Expires: 1979-03-13
Abstract
No abstract record available.
Inventors
- 👤 Stephen J Zajac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:48
CPC Classifications
C; C10; C10M; C10M7/00; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/11; C10M5/00; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/287; C10M2207/289; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/109; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/06; C10M2213/062; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/043; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10M2229/05; C10M2229/051; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
AN ORGANOPHOSPHORUS COMPOUND HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
7 words
AN ORGANOPHOSPHORUS COMPOUND HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
US2368599A
Cited
US2563506A
Cited
US2344394A
Cited
US2403762A
Cited
US2583549A
Cited
US2832740A
Cited
US2824839A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |