Patent US3266701A successfully refreshed from Google Patents.
US3266701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circumferential pipe welding apparatus
Assignee: BIRAGHI
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Filing: 1964-10-19
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Granted: 1966-08-16
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Expires: 1984-10-19
Abstract
No abstract record available.
Inventors
- 👤 Jules Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:43
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/24; B23K9/28; B23K9/30; B23K9/02; B23K9/028; B23K9/0282; B23K9/0286
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
AN APPARATUS FOR THE BUTT WELDING OF AXIALLY JUXTAPOSED TUBE SECTIONS ALONG A WELD PATH COMPRISING: (A) ELASTICALLY EXTENSIBLE BRACE MEANS CIRCUMFERENTIALLY MOUNTED ABOUT ONE OF SAID SECTIONS AND COMPRISING A PLURALITY OF LINKS PIVOTALLY AND ELASTICALLY EXTENSIBLY SECURED TOGETHER TO FORM A CIRCUMFERENTIAL ROLLER TRACK; (B) YOKE MEANS SURROUNDING SAID BRACE MEANS; (C) POWERED MEANS CARRIED BY SAID YOKE MEANS AND ADAPTED TO ENGAGE SAID ROLLER TRACK OF SAID BRACE MEANS; (D) MOTOR MEANS FOR OPENING SAID POWERED MEANS TO CAUSE TO CONTINUOUS RELATIVE MOTION BETWEEN SAID APPARATUS AND SAID WELD PATH;
Claim 2
Independent Claim
93 words
AN APPARATUS FOR THE BUTT WELDING OF AXIALLY JUXTAPOSED TUBE SECTIONS ALONG A WELD PATH COMPRISING: (A) ELASTICALLY EXTENSIBLE BRACE MEANS CIRCUMFERENTIALLY MOUNTED ABOUT ONE OF SAID SECTIONS AND COMPRISING A PLURALITY OF LINKS PIVOTALLY AND ELASTICALLY EXTENSIBLY SECURED TOGETHER TO FORM A CIRCUMFERENTIAL ROLLER TRACK; (B) YOKE MEANS SURROUNDING SAID BRACE MEANS; (C) POWERED MEANS CARRIED BY SAID YOKE MEANS AND ADAPTED TO ENGAGE SAID ROLLER TRACK OF SAID BRACE MEANS; (D) MOTOR MEANS FOR OPENING SAID POWERED MEANS TO CAUSE TO CONTINUOUS RELATIVE MOTION BETWEEN SAID APPARATUS AND SAID WELD PATH;
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |