Patent US2899351A successfully refreshed from Google Patents.
US2899351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic paper
Assignee: —
•
Filing: —
•
Granted: 1959-08-11
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Expires: 1976-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:36
CPC Classifications
D; D21; D21H; D21H5/00; D21H5/12; D21H5/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
THERMOPLASTIC PAPER COMPRISING FROM ABOUT 20 PERCENT TO ABOUT 70 PERCENT BY WEIGHT OF CELLULOSIC FIBERS, FROM ABOUT 60 PERCENT TO ABOUT 10 PERCENT BY WEIGHT OF SYNTHETIC VINYL RESIN FIBERS, SAID VINYL RESIN BEING A COPOLYMERIZATION PRODUCT OF FROM ABOUT 40% TO ABOUT 60% VINYL CHLORIDE AND FROM ABOUT 60% TO ABOUT 40% ACRYLONITRILE, AND FROM ABOUT 20 PERCENT TO ABOUT 70 PERCENT BY WEIGHT OF A SECOND VINYL RESIN, SAID SECOND VINYL RESIN BEING A COPOLYMERIZATION PRODUCT COMPRISING VINYL CHLORIDE, VINYL ACETATE AND A MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE LOWER ALIPHATIC UNSATURATED DIBASIC ACIDS AND ANHYDRIDES THEREOF, SAID VINYL CHLORIDE AND SAID VINYL ACETATE BEING IN MONOMERIC PROPORTIONS OF FROM ABOUT 4:1 TO ABOUT 40:1 AND SAID DIBASIC ACIDS AND ANHYDRIDES BEING PRESENT IN AN AMOUNT FROM ABOUT 0.1% TO ABOUT 3% BY WEIGHT.
Claim 2
Dependent Claim
139 words
THERMOPLASTIC PAPER COMPRISING FROM ABOUT 20 PERCENT TO ABOUT 70 PERCENT BY WEIGHT OF CELLULOSIC FIBERS, FROM ABOUT 60 PERCENT TO ABOUT 10 PERCENT BY WEIGHT OF SYNTHETIC VINYL RESIN FIBERS, SAID VINYL RESIN BEING A COPOLYMERIZATION PRODUCT OF FROM ABOUT 40% TO ABOUT 60% VINYL CHLORIDE AND FROM ABOUT 60% TO ABOUT 40% ACRYLONITRILE, AND FROM ABOUT 20 PERCENT TO ABOUT 70 PERCENT BY WEIGHT OF A SECOND VINYL RESIN, SAID SECOND VINYL RESIN BEING A COPOLYMERIZATION PRODUCT COMPRISING VINYL CHLORIDE, VINYL ACETATE AND A MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE LOWER ALIPHATIC UNSATURATED DIBASIC ACIDS AND ANHYDRIDES THEREOF, SAID VINYL CHLORIDE AND SAID VINYL ACETATE BEING IN MONOMERIC PROPORTIONS OF FROM ABOUT 4:1 TO ABOUT 40:1 AND SAID DIBASIC ACIDS AND ANHYDRIDES BEING PRESENT IN AN AMOUNT FROM ABOUT 0.1% TO ABOUT 3% BY WEIGHT.
References Cited (Backward Citations)
US2253000A
Cited
US2526125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |