US2986570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxylated ethers of acetylenic alcohols
Assignee: Dow Chemical Co
•
Filing: 1958-03-03
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Granted: 1961-05-30
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Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 Roger F Monroe
- 👤 Arthur W Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:37
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
AN EPOXYLATED ETHER OF AN ACETYLENIC ALCOHOL HAVING THE FORMULA
Claim 2
Dependent Claim
10 words
AN EPOXYLATED ETHER OF AN ACETYLENIC ALCOHOL HAVING THE FORMULA
References Cited (Backward Citations)
GB751244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |