US3179682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixed sulfite esters of aryl glycol ethers and alkynols
Assignee: Uniroyal Inc
•
Filing: 1962-08-20
•
Granted: 1965-04-20
•
Expires: 1982-08-20
Abstract
No abstract record available.
Inventors
- 👤 Rupert A Covey
- 👤 Allen E Smith
- 👤 Winchester L Hubbard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:59
CPC Classifications
C; C07; C07C; C07C301/00; A; A01; A01N; A01N41/00; A01N41/02; A01N41/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A CHEMICAL REPRESENTED BY THE GENERAL FORMULA
Claim 2
Dependent Claim
7 words
A CHEMICAL REPRESENTED BY THE GENERAL FORMULA
References Cited (Backward Citations)
US3124447A
Cited
US2435274A
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US2820808A
Cited
US2968667A
Cited
US3075835A
Cited
US3123460A
Cited
US2955979A
Cited
US3035910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |