US2584126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymers of dichlorodifluoro-ethylene and ethylene
Assignee: EIDP Inc
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Filing: 1947-10-27
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Granted: 1952-02-05
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Expires: 1967-10-27
Abstract
No abstract record available.
Inventors
- 👤 William E Hanford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:03
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/12; C08F; C08F210/00; C08F210/02; C08F214/00; C08F214/18; C08F214/182
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A MACROMOLECULAR COPOLYMER OF A DICHLORODIFLUORTHEYLENE AND ETHYLENE WHICH COPOLYMER CONSIST OF, BY WEIGHT, ABOUT 5% TO 81% OF SAID DICHLORODIFLUOROETHYLENE.
Claim 2
Dependent Claim
21 words
A MACROMOLECULAR COPOLYMER OF A DICHLORODIFLUORTHEYLENE AND ETHYLENE WHICH COPOLYMER CONSIST OF, BY WEIGHT, ABOUT 5% TO 81% OF SAID DICHLORODIFLUOROETHYLENE.
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) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |