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US3071503A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for welding thermoplastic materials

Assignee: Individual
•
Filing: 1959-07-20
•
Granted: 1963-01-01
•
Expires: 1979-07-20
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Abstract

No abstract record available.

Inventors

  • 👤 Dubois Jacques Robert Nicolas

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 16:02
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/224; B29C65/228; B29C65/34; B29C65/3404; B29C65/342; B29C65/3428; B29C65/3444; B29C65/3468; B29C65/3472; B29C65/3476; B29C65/48; B29C65/50; B29C65/5042; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/114; B29C66/1142; B29C66/116; B29C66/1162; B29C66/20; B29C66/22; B29C66/225; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/434; B29C66/4342; B29C66/43421; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29C66/83221; B29C66/836; B29C66/8362; B29C65/4805; B29C65/481; B29C65/4815; B29C66/432; B29C66/4322; B29C66/4329

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 87 words
THE PROCESS OF WELDING LONGITUDINAL SECTIONS OF THERMOPLASTIC MATERIALS COMPRISING THE STEPS OF PLACING SAID LONGITUDINAL SECTIONS INTO CLOSE RELATIONSHIP TO ONE ANOTHER, COVERING SAID SECTIONS LENGTHWISE WITH A METALLIC ELECTRIC RESISTANCE STRIP, COVERING SAID STRIP WITH AN ADHESIVE TAPE, SAID TAPE SUBSTANTIALLY HAVING A GREATER WIDTH THAN SAID STRIP, RENDERING SAID SECTIONS COVERED BY SAID ELECTRIC STRIP INTO A VISCOUS FUSIBLE STATE BY APPLYING A HEATING ELECTRIC CURRENT OF LOW VOLTAGE TO SAID STRIP AND REMOVING SAID STRIP AND SAID TAPE AFTER WELDING SAID SECTIONS TOGETHER.
Claim 2
Dependent Claim 87 words
THE PROCESS OF WELDING LONGITUDINAL SECTIONS OF THERMOPLASTIC MATERIALS COMPRISING THE STEPS OF PLACING SAID LONGITUDINAL SECTIONS INTO CLOSE RELATIONSHIP TO ONE ANOTHER, COVERING SAID SECTIONS LENGTHWISE WITH A METALLIC ELECTRIC RESISTANCE STRIP, COVERING SAID STRIP WITH AN ADHESIVE TAPE, SAID TAPE SUBSTANTIALLY HAVING A GREATER WIDTH THAN SAID STRIP, RENDERING SAID SECTIONS COVERED BY SAID ELECTRIC STRIP INTO A VISCOUS FUSIBLE STATE BY APPLYING A HEATING ELECTRIC CURRENT OF LOW VOLTAGE TO SAID STRIP AND REMOVING SAID STRIP AND SAID TAPE AFTER WELDING SAID SECTIONS TOGETHER.

References Cited (Backward Citations)

US1384467A Cited
FR585195A Cited
US2514201A Cited
US2647072A Cited
US2695853A Cited
US2742390A Cited
US2713017A Cited
US2831049A Cited
US2964587A Cited
US2938103A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-12-31 1966-07-02 1967-01-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-12-31 1970-07-02 1971-01-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-12-31 1974-07-02 1975-01-01 $7700.00 Window Closed / Lapsed

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