US3098760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dimensional stabilization of cellulose
Assignee: Upson Co
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Filing: 1961-02-07
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Granted: 1963-07-23
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Expires: 1981-02-07
Abstract
No abstract record available.
Inventors
- 👤 Walter P Ericks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:58
CPC Classifications
D; D06; D06M; D06M14/00; D06M14/02; D06M14/04; C; C08; C08B; C08B15/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
42 words
THE PROCESS OF PREPARING A DIMENSIONALLY STABILIZED SHEET COMPOSED OF CELLULOSE FIBERS, COMPRISING IMPREGNATING SAID SHEET WITH A SOLVENT SOLUTION CONTAINING A MONOMERIC ESTER OF AN UNSATURATED ALIPHATIC CARBOXYLIC ACID AND A MONEOETHER OF A GLYCOL, SAID MONOETHER HAVING THE GENERALL FORMULA
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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |