Patent US2996424A successfully refreshed from Google Patents.
US2996424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of creping tissue and product thereof
Assignee: Kimberly Clark Corp
•
Filing: 1959-03-20
•
Granted: 1961-08-15
•
Expires: 1979-03-20
Abstract
No abstract record available.
Inventors
- 👤 Edward H Voigtman
- 👤 Harold F Donnelly
- 👤 Charles A Lamb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:00
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A METHOD OF FABRICATING AN IMPROVED DRY CREPED CELLULOSIC TISSUE PRODUCT, SAID METHOD INCLUDING THE STEPS OF WATER-LAYING A WEB OF CELLULOSIC TISSUE, DRYING THE FORMED TISSUE WEB ON A HEATED ROTATING MEMBER TO A MOISTURE CONTENT OF BETWEEN ABOUT 3 AND ABOUT 14 PERCENT BY WEIGHT, APPLYING TO THE SURFACE OF SAID ROTATING MEMBER BEFORE SAID SURFACE CONTACTS SAID WEB A NONMIGRATING PATTERN OF FLUID RELEASE AGENT HAVING AN OILINESS VALUE OF LESS THAN 0.3 AT 20*C. AS MEASURED ON THE MODIFIED DEELEY MACHINE, SAID PATTERN OF RELEASE AGENT BEING APPLIED TO SAID ROTATING MEMBER IN AN AMOUNT SUFFICIENT TO DECREASE TO A PREDETERMINED EXTENT THE TENDENCY OF BETWEEN ABOUT 15 PERCENT AND ABOUT 85 PERCENT OF SAID WEB TO ADHERE TO SAID ROTATING MEMBER AND NOT MORE THAN AN AMOUNT COMPLETELY ABSORBABLE BY SAID WEN ON SAID MEMBER, DIFFERENTIALLY CREPING THE DRIED WEB FROM SAID MEMBER TO A CREPE RATIO FOR SAID WEB OF BETWEEN ABOUT 1.25 AND ABOUT 2.5, AND ASSEMBLING PLIES OF SAID DIFFERENTIALLY CREPED WEB IN SUPERPOSED RELATION TO FORM A FINISHED CELLULOSIC TISSUE PRODUCT.
Claim 2
Independent Claim
180 words
A METHOD OF FABRICATING AN IMPROVED DRY CREPED CELLULOSIC TISSUE PRODUCT, SAID METHOD INCLUDING THE STEPS OF WATER-LAYING A WEB OF CELLULOSIC TISSUE, DRYING THE FORMED TISSUE WEB ON A HEATED ROTATING MEMBER TO A MOISTURE CONTENT OF BETWEEN ABOUT 3 AND ABOUT 14 PERCENT BY WEIGHT, APPLYING TO THE SURFACE OF SAID ROTATING MEMBER BEFORE SAID SURFACE CONTACTS SAID WEB A NONMIGRATING PATTERN OF FLUID RELEASE AGENT HAVING AN OILINESS VALUE OF LESS THAN 0.3 AT 20*C. AS MEASURED ON THE MODIFIED DEELEY MACHINE, SAID PATTERN OF RELEASE AGENT BEING APPLIED TO SAID ROTATING MEMBER IN AN AMOUNT SUFFICIENT TO DECREASE TO A PREDETERMINED EXTENT THE TENDENCY OF BETWEEN ABOUT 15 PERCENT AND ABOUT 85 PERCENT OF SAID WEB TO ADHERE TO SAID ROTATING MEMBER AND NOT MORE THAN AN AMOUNT COMPLETELY ABSORBABLE BY SAID WEN ON SAID MEMBER, DIFFERENTIALLY CREPING THE DRIED WEB FROM SAID MEMBER TO A CREPE RATIO FOR SAID WEB OF BETWEEN ABOUT 1.25 AND ABOUT 2.5, AND ASSEMBLING PLIES OF SAID DIFFERENTIALLY CREPED WEB IN SUPERPOSED RELATION TO FORM A FINISHED CELLULOSIC TISSUE PRODUCT.
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) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |