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US3253972A Expired / Lapsed US ⏱️ 0.0 years remaining

Welding smooth, curved thermoplastic sections

Assignee: Phillips Petroleum Co
•
Filing: 1961-08-02
•
Granted: 1966-05-31
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Expires: 1981-08-02
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas J Huddleston

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 12:11
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/005; B29C65/00; B29C65/02; B29C65/18; B29C65/20; B29C65/2053; B29C65/2084; B29C65/78; B29C65/7802; B29C65/7841; B29C65/7847; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/114; B29C66/1142; B29C66/50; B29C66/51; B29C66/54; B29C66/543; B29C66/63; B29C66/632; B29C66/80; B29C66/82; B29C66/824; B29C66/8242; B29C66/83; B29C66/832; B29C66/8322; B29C66/90; B29C66/91; B29C66/912; B29C66/9121; B29C66/91211; B29C66/91212; B29C66/91231; B29C65/24; B29C65/30; B29C65/305; B29L; B29L2023/00; B29L2023/22; Y; Y10; Y10T; Y10T279/00; Y10T279/11

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 80 words
THE METHOD OF WELDING TOGETHER SMOOTH, CURVED SECTIONS OF THERMOPLASTIC WHICH COMPRISES SECURING A FIRST THERMOPLASTIC SECTION IN FIXED POSITION; HEATING THE FIRST THERMOPLASTIC SECTION AND A SECOND THERMOPLASTIC SECTION, AT THE SURFACES TO BE JOINED, TO A SOFTENED CONDITIONF MOVING THE SECOND THERMOPLASTIC SECTION INTO CONTACT WITH SAID FIRST THERMOPLASTIC SECTION IN A FIXED LINE OF TRAVEL COAXIAL WITH THE AXIDS OF SAID FIRST THERMOPLASTIC SECTION AND FREE FOR ANGULAR MOVEMENT WITH RESPECT TO SAID FIXED LINE OF TRAVEL.
Claim 2
Independent Claim 80 words
THE METHOD OF WELDING TOGETHER SMOOTH, CURVED SECTIONS OF THERMOPLASTIC WHICH COMPRISES SECURING A FIRST THERMOPLASTIC SECTION IN FIXED POSITION; HEATING THE FIRST THERMOPLASTIC SECTION AND A SECOND THERMOPLASTIC SECTION, AT THE SURFACES TO BE JOINED, TO A SOFTENED CONDITIONF MOVING THE SECOND THERMOPLASTIC SECTION INTO CONTACT WITH SAID FIRST THERMOPLASTIC SECTION IN A FIXED LINE OF TRAVEL COAXIAL WITH THE AXIDS OF SAID FIRST THERMOPLASTIC SECTION AND FREE FOR ANGULAR MOVEMENT WITH RESPECT TO SAID FIXED LINE OF TRAVEL.

References Cited (Backward Citations)

US2665739A Cited
US2730370A Cited
US3013925A Cited
US3053726A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-05-30 1969-11-29 1970-05-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-05-30 1973-11-29 1974-05-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-05-30 1977-11-29 1978-05-31 $7700.00 Window Closed / Lapsed

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