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US3565711A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for joining layers of a woven polyamidic material and for tipping the ends of a strip of such material

Assignee: Undergarment Assemblies Inc
•
Filing: 1967-05-12
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Granted: 1971-02-23
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Expires: 1987-05-12
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Abstract

Abstract SUPERPOSED PILES OF WOVEN POLYAMIDE-CONTAINING MATERIAL ARE PLACED ON A RIGID ANVIL AND ARE STRUCK BY A BLUNT TOOL IN ONE OR MORE LOCALIZED AREAS TO BOND TOGETHER THE PILES IN THOSE AREAS. A TIPPING OPERATION USES THIS INVENTION TO FORM A TIP ON A STRAP OF WOVEN POLYAMIDECONTAINING MATERIAL.

Inventors

  • 👤 Charles Block
  • 👤 Leon J Mintz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 09:30
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/002; B29C65/004; A; A41; A41F; A41F15/00; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/13; B29C66/137; B29C66/20; B29C66/21; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/70; B29C66/71; B29C66/72; B29C66/729; B29C53/00; B29C53/36; B29K; B29K2077/00; B29K2313/00; B29L; B29L2031/00; B29L2031/48; B29L2031/4871; B29L2031/4885; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1054; Y10T156/1056

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1974-02-22 1974-08-24 1975-02-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-02-22 1978-08-24 1979-02-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-02-22 1982-08-24 1983-02-23 $7700.00 Window Closed / Lapsed

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