Patent US3032465A successfully refreshed from Google Patents.
US3032465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper composed of fibers having different temperature-responsive dimensional-change characteristics, and method of producing it
Assignee: Kimberly Clark Corp
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Filing: 1958-11-28
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Granted: 1962-05-01
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Expires: 1978-11-28
Abstract
No abstract record available.
Inventors
- 👤 William A Selke
- 👤 John H Mathews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:37
CPC Classifications
D; D21; D21H; D21H5/00; D21H5/12; D21H5/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN A PAPER-MAKING PROCESS, THE STEPS WHICH CONSIST IN FURNISHING A SLURRY IN WHICH THERE ARE AT LEAST TWO SETS OF FIBERS HAVING DIFFERENT TEMPERATURE-RESPONSIVE LENGTHEISE DIMENENSIONAL-CHANGE CHARACTERISTTICSM THE RATIO BETWEEN SAID TWO SETS OF FIBERS LYING IN THE RANGE BETWEEN 4:1 AND 1:4, FORMING SAID SLURRY INTO S PAPER WEB AND DRYING SAID WEB AT A TEMPERATURE BELOW A PREDETERMINED MAXIMUM DRYING TEMPERATURE TO PRODUCE INTER-FIBER BONDING IN SAID WEB, AND AFTER SAID BONDING HAS BEEN ESTABLISHED, SUBJECTING THE WEB TO A TEMPERATURE ABOVE SAID DRYING TEMPERATURE EFFECTIVE TO CAUSE IN ONE SET OF FIBERS A DIMENSIONAL CHANGE APPRECIABLY DIFFERENT FROM THAT CAUSE BY SAID TEMPERATURE IN THE OTHER SET.
Claim 2
Dependent Claim
111 words
IN A PAPER-MAKING PROCESS, THE STEPS WHICH CONSIST IN FURNISHING A SLURRY IN WHICH THERE ARE AT LEAST TWO SETS OF FIBERS HAVING DIFFERENT TEMPERATURE-RESPONSIVE LENGTHEISE DIMENENSIONAL-CHANGE CHARACTERISTTICSM THE RATIO BETWEEN SAID TWO SETS OF FIBERS LYING IN THE RANGE BETWEEN 4:1 AND 1:4, FORMING SAID SLURRY INTO S PAPER WEB AND DRYING SAID WEB AT A TEMPERATURE BELOW A PREDETERMINED MAXIMUM DRYING TEMPERATURE TO PRODUCE INTER-FIBER BONDING IN SAID WEB, AND AFTER SAID BONDING HAS BEEN ESTABLISHED, SUBJECTING THE WEB TO A TEMPERATURE ABOVE SAID DRYING TEMPERATURE EFFECTIVE TO CAUSE IN ONE SET OF FIBERS A DIMENSIONAL CHANGE APPRECIABLY DIFFERENT FROM THAT CAUSE BY SAID TEMPERATURE IN THE OTHER SET.
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) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |