US2768097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaped articles comprising regenerated cellulose
Assignee: Commonwealth Engineering Company of Ohio
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Filing: 1954-08-16
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Granted: 1956-10-23
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Expires: 1974-08-16
Abstract
No abstract record available.
Inventors
- 👤 Leo J Novak
- 👤 Walter S Hogue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:50
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/01; D06M15/03; D06M15/05; D01; D01F; D01F2/00; D01F2/06; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2965; Y10T428/31504; Y10T428/31971
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
REGENERATED CELLULOSE ARTICLES CARRYING AN ADHERENT COATING OF SUBSTANTIALLY WATER-INSOLUBLE, ALKALI-SOLUBLE DEXTRAN XANTHATE.
Claim 2
Dependent Claim
13 words
REGENERATED CELLULOSE ARTICLES CARRYING AN ADHERENT COATING OF SUBSTANTIALLY WATER-INSOLUBLE, ALKALI-SOLUBLE DEXTRAN XANTHATE.
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) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |