Patent US5715163A successfully refreshed from Google Patents.
US3280229A
Expired / Lapsed
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Process and apparatus for producing patterned non-woven fabrics
Assignee: Kendall Co
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Filing: 1963-01-15
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Granted: 1966-10-18
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Expires: 1983-01-15
Abstract
No abstract record available.
Inventors
- 👤 Harold L Simons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:31
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/0007; D01D5/0061; D01D5/0076; D04; D04H; D04H1/00; D04H1/40; D04H1/54; D04H1/56; D04H1/70; D04H1/72; D04H1/728
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A METHOD OF PRODUCING A PATTERNED NON-WOVEN FABRIC WHICH COMPRISES DISPERSING A SOLUTION OF AN ORGANIC POLYMER INTO A STREAM OF ELECTRICALLY-SPUN FILAMENTS AND COLLECTING SAID FILAMENTS IN THE FORM OF A PATTERNED NON-WOVEN FABRIC ON A SEGMENTED RECEIVER, A CERTAIN SET OF SEGMENTS OF SAID RECEIVER FORMING AT LEAST ONE SET OF INTERCONNECTED CONDUCTING ELEMENTS AND BEING MAINTAINED AT AN ELECTRICAL POTENTIAL WHICH IS DIFFERENT FROM THE ELECTRICAL POTIAL BORNE BY A CERTAIN SET OF OTHER SEGMENTS, AND BOTH SETS OF SEGMANTS BEING MAINTAINED AT AN ELECTRICAL POTENTIAL LOWER THAN THE ELECTRICAL POTENTIAL BORNE BY SAID STREAM OF ELECTRICALLY-SPUN FILAMENTS.
Claim 2
Independent Claim
101 words
A METHOD OF PRODUCING A PATTERNED NON-WOVEN FABRIC WHICH COMPRISES DISPERSING A SOLUTION OF AN ORGANIC POLYMER INTO A STREAM OF ELECTRICALLY-SPUN FILAMENTS AND COLLECTING SAID FILAMENTS IN THE FORM OF A PATTERNED NON-WOVEN FABRIC ON A SEGMENTED RECEIVER, A CERTAIN SET OF SEGMENTS OF SAID RECEIVER FORMING AT LEAST ONE SET OF INTERCONNECTED CONDUCTING ELEMENTS AND BEING MAINTAINED AT AN ELECTRICAL POTENTIAL WHICH IS DIFFERENT FROM THE ELECTRICAL POTIAL BORNE BY A CERTAIN SET OF OTHER SEGMENTS, AND BOTH SETS OF SEGMANTS BEING MAINTAINED AT AN ELECTRICAL POTENTIAL LOWER THAN THE ELECTRICAL POTENTIAL BORNE BY SAID STREAM OF ELECTRICALLY-SPUN FILAMENTS.
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |