Patent US3071503A successfully refreshed from Google Patents.
US3071503A
Expired / Lapsed
US
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Process for welding thermoplastic materials
Assignee: Individual
•
Filing: 1959-07-20
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Granted: 1963-01-01
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Expires: 1979-07-20
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 19:28
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.
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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) | 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 |