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US3282875A
Expired / Lapsed
US
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Fluorocarbon vinyl ether polymers
Assignee: EIDP Inc
•
Filing: 1964-07-22
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Granted: 1966-11-01
•
Expires: 1984-07-22
Abstract
No abstract record available.
Inventors
- 👤 Connolly Donald James
- 👤 Gresham William Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:40
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/78; C07C309/79; C07C309/82; C08; C08F; C08F28/00; C08F8/00; C08F8/44
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
7 words
A FLUOROCARBON ETHER HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
7 words
A FLUOROCARBON ETHER HAVING THE GENERAL FORMULA
Claim 3
Dependent Claim
8 words
COPOLYMERS OF THE VINYL ETHER HAVING THE FORMULA
Claim 4
Dependent Claim
8 words
COPOLYMERS OF THE VINYL ETHER HAVING THE FORMULA
Claim 5
Dependent Claim
18 words
AN AQUEOUS DISPERSION IN WHICH THE DISPERSED PARTICLES ARE A POLYMER OF A VINYL ETHER HAVING THE FORMULA
Claim 6
Dependent Claim
18 words
AN AQUEOUS DISPERSION IN WHICH THE DISPERSED PARTICLES ARE A POLYMER OF A VINYL ETHER HAVING THE FORMULA
References Cited (Backward Citations)
US3180895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |