US3269991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethylenically unsaturated sulfines and polymers thereof
Assignee: Union Carbide Corp
•
Filing: 1963-11-29
•
Granted: 1966-08-30
•
Expires: 1983-11-29
Abstract
No abstract record available.
Inventors
- 👤 Combe Edward M La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:28
CPC Classifications
C; C08; C08F; C08F28/00; Y; Y10; Y10S; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
THE ALPHA-ETHYLENICALLY UNSATURATED SULFINE OF THE FORMULA:
Claim 2
Dependent Claim
7 words
THE ALPHA-ETHYLENICALLY UNSATURATED SULFINE OF 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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |