Patent US3320649A successfully refreshed from Google Patents.
US3320649A
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US
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Methods of making separable fastening fabrics
Assignee: Individual
•
Filing: 1966-03-21
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Granted: 1967-05-23
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Expires: 1986-03-21
Abstract
No abstract record available.
Inventors
- 👤 Naimer Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:37
CPC Classifications
B; B29; B29C; B29C67/00; B29C67/0044; A; A44; A44B; A44B18/00; A44B18/0023; A44B18/0038; A44B18/0042; D; D03; D03D; D03D27/00; D03D27/02; D03D27/06; D06; D06C; D06C29/00; B29C2793/00; B29L; B29L2031/00; B29L2031/727; B29L2031/729; B29L2031/765; D06C2700/00; D06C2700/29; D10; D10B; D10B2401/00; D10B2401/04; D10B2401/041; D10B2501/00; D10B2501/06; D10B2501/063; D10B2501/0632; Y; Y10; Y10T; Y10T24/00; Y10T24/27; Y10T24/2733
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A METHOD OF MAKING A SEPARABLE FASTENER FROM FABRIC HAVING A PLURALITY OF PILE ELEMENTS MADE OF THERMOPLASTIC MATERIAL FORMED WITH UPSTANDING TERMINAL ENDS, INCLUDING THE STEPS OF: HEATING SAID ENDS OF THE PILE ELEMENTS TO A TEMPERATURE EXCEEDING THE FLOW POINT OF THE THERMOPLASTIC MATERIAL WHEREBY SAID ENDS MELT AND ENLARGE; AND MAINTAINING SAID ENLARGED TERMINAL MENTS AT SAID TEMPERATURE FOR A FORMATIN PERIOD OF PERDETERMINED DURATION DURING WHICH THE ENLARGED TERMINAL ENDS DRAWBACK INTO A MUSHROOM-SHAPED CONFIGURATION HAVING AN UPPER, SUBSTANTIALLY SPHERICAL SURFACE AND AN ANNULAR, NON-SPHERICAL UNDERSURFACE.
Claim 2
Independent Claim
90 words
A METHOD OF MAKING A SEPARABLE FASTENER FROM FABRIC HAVING A PLURALITY OF PILE ELEMENTS MADE OF THERMOPLASTIC MATERIAL FORMED WITH UPSTANDING TERMINAL ENDS, INCLUDING THE STEPS OF: HEATING SAID ENDS OF THE PILE ELEMENTS TO A TEMPERATURE EXCEEDING THE FLOW POINT OF THE THERMOPLASTIC MATERIAL WHEREBY SAID ENDS MELT AND ENLARGE; AND MAINTAINING SAID ENLARGED TERMINAL MENTS AT SAID TEMPERATURE FOR A FORMATIN PERIOD OF PERDETERMINED DURATION DURING WHICH THE ENLARGED TERMINAL ENDS DRAWBACK INTO A MUSHROOM-SHAPED CONFIGURATION HAVING AN UPPER, SUBSTANTIALLY SPHERICAL SURFACE AND AN ANNULAR, NON-SPHERICAL UNDERSURFACE.
References Cited (Backward Citations)
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US2628412A
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US2820277A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |