US2968678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of indanyl-sulfides, sulfoxides and sulfones
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1958-12-03
•
Granted: 1961-01-17
•
Expires: 1978-12-03
Abstract
No abstract record available.
Inventors
- 👤 Alexis A Oswald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:24
CPC Classifications
C; C07; C07C; C07C317/00; C07C321/00; C07C323/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
8 words
A COMPOSITION OF MATTER REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
8 words
A COMPOSITION OF MATTER REPRESENTED BY THE FORMULA
Claim 3
Dependent Claim
13 words
A NONCATALYTIC PROCESS FOR PREPARING A COMPOSITION OF MATTER REPRESENTED BY THE FORMULA
Claim 4
Dependent Claim
13 words
A NONCATALYTIC PROCESS FOR PREPARING A COMPOSITION OF MATTER REPRESENTED BY 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) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |