Patent US2794750A successfully refreshed from Google Patents.
US2794750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-woven fabric and method of producing same
Assignee: Chicopee Manufacturing Corp
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Filing: 1955-01-31
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Granted: 1957-06-04
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Expires: 1975-01-31
Abstract
No abstract record available.
Inventors
- 👤 Irving S Ness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:49
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64; D04H1/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A PROCESS WHICH INCLUDES PROVIDING AN UNBONDED WEB COMPRISING A MAJOR PROPORTION OF SUBSTANTIALLY PARALLELIZED TEXTILE FIBERS AND A MINOR PROPORTION OF NONPARALLELIZED TEXTILE FIBERS; CROSS DRAFTING SAID UNBONDED WEB IN AN AMOUNT SUFFICIENT TO INCREASE THE PORTION OF NONPARALLELIZED FIBERS IN THE WEB; AND CONVERTING SAID WEB INTO A DELF-SUSTAINING, LATERALLY EXTENSIBLE FABRIC BY DISCONTINUOUSLY BONDING THE WEB WITH A MULTIPLICITY OF UNIFORMLY SPACED, DISCRETE AREAS OF BINDER, PHYSICALLY SEPARATED FROM, BUT HINGEDLY INTERCONNECTED WITH, EACH OTHER, SAID BINDER AREAS OCCUPYING NOT SUBSTANTIALLY MORE THAN ABOVE 35% OF THE TOTAL LATERAL SURFACE OF SAID WEB.
Claim 2
Dependent Claim
96 words
A PROCESS WHICH INCLUDES PROVIDING AN UNBONDED WEB COMPRISING A MAJOR PROPORTION OF SUBSTANTIALLY PARALLELIZED TEXTILE FIBERS AND A MINOR PROPORTION OF NONPARALLELIZED TEXTILE FIBERS; CROSS DRAFTING SAID UNBONDED WEB IN AN AMOUNT SUFFICIENT TO INCREASE THE PORTION OF NONPARALLELIZED FIBERS IN THE WEB; AND CONVERTING SAID WEB INTO A DELF-SUSTAINING, LATERALLY EXTENSIBLE FABRIC BY DISCONTINUOUSLY BONDING THE WEB WITH A MULTIPLICITY OF UNIFORMLY SPACED, DISCRETE AREAS OF BINDER, PHYSICALLY SEPARATED FROM, BUT HINGEDLY INTERCONNECTED WITH, EACH OTHER, SAID BINDER AREAS OCCUPYING NOT SUBSTANTIALLY MORE THAN ABOVE 35% OF THE TOTAL LATERAL SURFACE OF SAID WEB.
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) | 1960-06-03 | 1960-12-03 | 1961-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-03 | 1964-12-03 | 1965-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-03 | 1968-12-03 | 1969-06-04 | $7700.00 | Window Closed / Lapsed |