Patent US3165497A successfully refreshed from Google Patents.
US3165497A
Expired / Lapsed
US
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Acryloxyacetophenone copolymers
Assignee: EIDP Inc
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Filing: 1960-02-29
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Granted: 1965-01-12
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Expires: 1980-02-29
Abstract
No abstract record available.
Inventors
- 👤 Tocker Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:17
CPC Classifications
C; C08; C08F; C08F246/00; C07; C07C; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/70; C07C45/71; C08F10/00; C08F16/00; C08F16/36; C08F20/00; C08F20/02; C08F20/10; C08F20/12; C08F20/16; C08F216/00; C08F216/36; C08F220/00; C08F220/02; C08F220/10; C08F220/26; C08F220/30; C08F220/301; C08F255/00; C08F255/02; C08F8/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A SUBSTANTIALLY LINEAR POLYMER CONSISTING ESSENTIALLY OF THE FOLLOWING RECURRING UNITS:
Claim 2
Dependent Claim
11 words
A SUBSTANTIALLY LINEAR POLYMER CONSISTING ESSENTIALLY OF THE FOLLOWING RECURRING UNITS:
References Cited (Backward Citations)
US2938883A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-12 | 1968-07-13 | 1969-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-12 | 1972-07-13 | 1973-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-12 | 1976-07-13 | 1977-01-12 | $7700.00 | Window Closed / Lapsed |