US3029268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thioether containing esters of dithiophosphoric acid, and salts thereof
Assignee: Lubrizol Corp
•
Filing: 1959-09-10
•
Granted: 1962-04-10
•
Expires: 1979-09-10
Abstract
No abstract record available.
Inventors
- 👤 Goldsmith Fred Corwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:37
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/1654; C07F9/1655; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10N; C10N2010/00; C10N2010/04; C10N2030/00; C10N2030/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
10 words
THE ZINC SALTS OF A PHOSPHORODITHIOIC ACID HAVING THE STRUCTURE
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) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |