US2914414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaped articles comprising regenerated cellulose
Assignee: Commonwealth Engineering Company of Ohio
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Filing: 1954-03-08
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Granted: 1959-11-24
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Expires: 1974-03-08
Abstract
No abstract record available.
Inventors
- 👤 Leo J Novak
- 👤 Walter S Hogue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:06
CPC Classifications
C; C08; C08L; C08L1/00; C08L1/08; C08L1/22; C08L1/24; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2965
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A SELF-SUPPORTING FILM HAVING REDUCED MOISTURE PICK UP AND RETENTION CAPACITY AS COMPARED TO REGENERATED CELLULOSE AND CONSISTING OF A MIXTURE OF REGENERATED CELLULOSE AND FROM 2.0% TO 50% ON THE CELLULOSE WEIGHT OF SUBSTANTIALLY WATER-SOLUBLE, ALKALI-SOLUBLE DEXTRAN.
Claim 2
Dependent Claim
38 words
A SELF-SUPPORTING FILM HAVING REDUCED MOISTURE PICK UP AND RETENTION CAPACITY AS COMPARED TO REGENERATED CELLULOSE AND CONSISTING OF A MIXTURE OF REGENERATED CELLULOSE AND FROM 2.0% TO 50% ON THE CELLULOSE WEIGHT OF SUBSTANTIALLY WATER-SOLUBLE, ALKALI-SOLUBLE DEXTRAN.
References Cited (Backward Citations)
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US2211931A
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US2705184A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |