Patent US3203850A successfully refreshed from Google Patents.
US3203850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming creped and embossed extensible paper
Assignee: ST Regis Paper Co
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Filing: 1965-01-12
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Granted: 1965-08-31
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Expires: 1985-01-12
Abstract
No abstract record available.
Inventors
- 👤 Eugene F Mccarty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:17
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/12; B31F1/122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
THE METHOD OF PRODUCING ON A FOURDRINIER WIRE PAPER MACHINE, A CONTINUOUS WEB OF EXTENSIBLE PAPER, OF HIGH AND UNIFORM MACHINE DIRECTION STIFFNESS AND ELASTIC MODULUS, WHICH COMPRISES: PROGRESSIVELY FORMING RAW PAPER STOCK ON SAID WIRE INTO A CONTINUOUS WET WEB OF SUBSTANTIAL WIDTH; PROGRESSIVELY REMOVING EXCESS MOISTURE FROM SAID WEB TO A GREATER EXTENT ALONG THE MEDIAL PORTION THEREOF THAN ALONG THE OUTER EDGES; THEREAFTER PROGRESSIVELY DRYING SAID WEB TO A GREATER EXTENT ALONG THE OUTER EDGES THEREOF THAN ALONG SAID MEDIAL PORTION AND TO A SUBSTANTIALLY UNIFORM MOISTURE CONTENT THROUGHOUT ITS WIDTH AND TO A VALUE WITHIN THE RANGE OF ABOUT 40-59% AND VARYING NOT MORE THAN ABOUT 2% IN TOTAL AMOUNT ACROSS THE WIDTH OF THE WEB, THEREAFTER CREPING SAID WEB TRANSVERSELY OF ITS LENGTH; THEREAFTER EMBOSSING THE SO-CREPED WEB SUBSTANTIALLY LONGITUDINALLY THEREOF AND AT SPACED INTERVALS TRANSVERSELY THEREOF; THEREUPON AND AT SPACED INTERVALS TRANSVERSELY THEREOF; THEREUPON PULLING OUT A PORTION OF SAID CREPING; AND THEREUPON PROGRESSIVELY FURTHER DEMOISTURIZING SAID WEB TO SUBSTANTIAL DRYNESS.
Claim 2
Independent Claim
167 words
THE METHOD OF PRODUCING ON A FOURDRINIER WIRE PAPER MACHINE, A CONTINUOUS WEB OF EXTENSIBLE PAPER, OF HIGH AND UNIFORM MACHINE DIRECTION STIFFNESS AND ELASTIC MODULUS, WHICH COMPRISES: PROGRESSIVELY FORMING RAW PAPER STOCK ON SAID WIRE INTO A CONTINUOUS WET WEB OF SUBSTANTIAL WIDTH; PROGRESSIVELY REMOVING EXCESS MOISTURE FROM SAID WEB TO A GREATER EXTENT ALONG THE MEDIAL PORTION THEREOF THAN ALONG THE OUTER EDGES; THEREAFTER PROGRESSIVELY DRYING SAID WEB TO A GREATER EXTENT ALONG THE OUTER EDGES THEREOF THAN ALONG SAID MEDIAL PORTION AND TO A SUBSTANTIALLY UNIFORM MOISTURE CONTENT THROUGHOUT ITS WIDTH AND TO A VALUE WITHIN THE RANGE OF ABOUT 40-59% AND VARYING NOT MORE THAN ABOUT 2% IN TOTAL AMOUNT ACROSS THE WIDTH OF THE WEB, THEREAFTER CREPING SAID WEB TRANSVERSELY OF ITS LENGTH; THEREAFTER EMBOSSING THE SO-CREPED WEB SUBSTANTIALLY LONGITUDINALLY THEREOF AND AT SPACED INTERVALS TRANSVERSELY THEREOF; THEREUPON AND AT SPACED INTERVALS TRANSVERSELY THEREOF; THEREUPON PULLING OUT A PORTION OF SAID CREPING; AND THEREUPON PROGRESSIVELY FURTHER DEMOISTURIZING SAID WEB TO SUBSTANTIAL DRYNESS.
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |