US3268542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain arylenepoly-1, 3, 2, 4-dioxathiazole oxide compounds
Assignee: Sinclair Research Inc
•
Filing: 1965-07-13
•
Granted: 1966-08-23
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Expires: 1985-07-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Emmett H Burk
- 👤 Donald D Carlos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:36
CPC Classifications
C; C07; C07D; C07D291/00; C07D291/02; C07D291/04; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/701
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
THE COMPOUND HAVING THE STRUCTURE:
Claim 2
Dependent Claim
5 words
THE COMPOUND 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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |