US3021370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyunsaturated sulfides and sulfones and method of preparing same
Assignee: Diamond Shamrock Corp
•
Filing: 1958-10-06
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Granted: 1962-02-13
•
Expires: 1978-10-06
Abstract
No abstract record available.
Inventors
- 👤 Bluestone Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:52
CPC Classifications
C; C07; C07C; C07C317/00; C07C317/16; C07C317/18; C07C317/02; C07C317/08; C07C323/00; C07C323/01; C07C323/02; C07C323/05; C07C323/10; C07C323/11; C07C323/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
COMPOUNDS REPRESENTED BY THE STRUCTURE:
Claim 2
Dependent Claim
5 words
COMPOUNDS REPRESENTED BY THE STRUCTURE:
References Cited (Backward Citations)
US1986218A
Cited
US2043941A
Cited
US2560421A
Cited
US2529355A
Cited
US2527948A
Cited
US2676129A
Cited
US2829172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |