US3104197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extensible paper and the process of producing the same
Assignee: Fort James Corp
•
Filing: 1959-06-29
•
Granted: 1963-09-17
•
Expires: 1979-06-29
Abstract
No abstract record available.
Inventors
- 👤 Back Sangho
- 👤 Robert E Linde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:14
CPC Classifications
D; D21; D21H; D21H5/00; D21H5/24; B; B31; B31F; B31F1/00; B31F1/12; D21H25/00; D21H25/005; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1023
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
152 words
A PROCESS FOR MAKING A CREPED, EXTENSIBLE AND EMBOSSED PAPER HAVING A SUBSTANTIAL AMOUNT OF STRETCH AND A TOUGHNESS IN EXCESS OF THAT OF CONVENTIONALLY CREPED PAPER PRODUCED FROM THE SAME PULP WHICH COMPRISES PASSING A PAPER WEB HAVING A MOISTURE CONTENT BETWEEN ABOUT 20% AND ABOUT 60% THROUGH A NIP FORMED BY A HARD ROLL AND AN ELASTIC ROLL HAVING A SHORE DUROMETER HARDNESS OF FROM 10* TO 45*, SAID HARD ROLL BEING DRIVEN AT A SURFACE SPACED GREATER THAN THE SPEED OF SAID ELASTIC RIOLL, COMPRESSIVELY CREPING SAID WEB IN SAID NIP WHILE SIMULTANEOUSLY IMPRESSING AN EMBOSSED DESIGN ON SAID WEB DURING ITS PASSAGE THROUGH SAID NIP TO INCREASE THE EXTENSIBILITY OF SAID WEB IN THE CROSS-MACHINE DIRECTION AND SMOOTHING ONE SIDE OF SAID WEB CONTACTING THE SURFACE OF SAID HARD RILL WITHOUT DISTRIBUTING THE CREPED TEXTURE ON THE OTHER SIDE, AND DRYING SAID WEB AFTRER PASSAGE THROUGH SAID NIP.
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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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |