Patent US3340332A successfully refreshed from Google Patents.
US3340332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dialkyldithiophosphoric acid esters
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1963-09-30
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Granted: 1967-09-05
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Expires: 1983-09-30
Abstract
No abstract record available.
Inventors
- 👤 Alexis A Oswald
- 👤 Griesbaum Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:22
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/173
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A COMPOSITION OF MATTER HAVING THE FOLLOWING STRUCTURE:
Claim 2
Dependent Claim
8 words
A COMPOSITION OF MATTER HAVING THE FOLLOWING STRUCTURE:
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |