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Patent US3230205A successfully refreshed from Google Patents.
US3230205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymers of 2-phenyl allyl and acrylo materials
Assignee: Sinclair Research Inc
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Filing: 1961-12-01
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Granted: 1966-01-18
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Expires: 1981-12-01
Abstract
No abstract record available.
Inventors
- 👤 Willis C Keith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:54
CPC Classifications
C; C08; C08F; C08F18/00; C08F18/02; C08F18/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A SOLID COPOLYMER CONTAINING ABOUT 0.001 TO 20 PARTS OF AN ALLYL MATERIAL OF THE TYPE
Claim 2
Dependent Claim
16 words
A SOLID COPOLYMER CONTAINING ABOUT 0.001 TO 20 PARTS OF AN ALLYL MATERIAL OF THE TYPE
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |