US3308106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymers of 3, 4, 5, 5, 5-penta-fluoropentadiene-1, 3
Assignee: Dow Silicones Corp
•
Filing: 1964-01-09
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Granted: 1967-03-07
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Expires: 1984-01-09
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 16:50
CPC Classifications
C; C08; C08F; C08F236/00; C08F236/02; C08F236/04; C08F236/14; C08F236/16; C08F36/00; C08F36/02; C08F36/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A COPOLYMER CONSISTING ESSENTIALLY OF (1)
Claim 2
Dependent Claim
6 words
A COPOLYMER CONSISTING ESSENTIALLY OF (1)
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |