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US3214478A
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Novel perfluoroolefin epoxide polyethers
Assignee: EIDP Inc
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Filing: 1961-04-25
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Granted: 1965-10-26
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Expires: 1981-04-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Alwin S Milian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:50
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/22; C08G65/223; C08G65/226; C07; C07C; C07C41/00; C07C41/01; C07C41/18; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/12; C07C43/126
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A NOVEL FLUOROCARBON POLYETHER CONSISTING ESSENTIALLY OF THE STRUCTURE
Claim 2
Dependent Claim
9 words
A NOVEL FLUOROCARBON POLYETHER CONSISTING ESSENTIALLY OF THE STRUCTURE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |