US3280083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Highly-fluorinated monomers, polymers and copolymers
Assignee: Dow Silicones Corp
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Filing: 1964-02-07
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Granted: 1966-10-18
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Expires: 1984-02-07
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Butler
- 👤 George A Grindahl
- 👤 Ogden R Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:16
CPC Classifications
C; C08; C08F; C08F14/00; C08F14/18; C08F14/185; C07; C07C; C07C17/00; C07C17/25; C07C23/00; C07C23/02; C07C23/08; C08F236/00; C08F236/02; C08F236/04; C08F236/14; C08F236/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A COPOLYMER CONSISTING ESSENTIALLY OF (A) 5 TO 95 MOL PERCENT OF
Claim 2
Dependent Claim
12 words
A COPOLYMER CONSISTING ESSENTIALLY OF (A) 5 TO 95 MOL PERCENT OF
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |