US3277567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for forming girth welds between large tubular metal sections
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1965-03-03
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Granted: 1966-10-11
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Expires: 1985-03-03
Abstract
No abstract record available.
Inventors
- 👤 Perry J Rieppel
- 👤 Glenn E Faulkner
- 👤 Jerome W Nelson
- 👤 Harry C Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:37
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/028; B23K9/0282; B23K9/0286
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
THE METHOD OF FORMING GIRTH WELDS BETWEEN HORIZONTAL TUBULAR SECTIONS OF PIPE COMPRISING THE STEPS OF BRINGING SAID SECTIONS OF PIPE INTO SUBSTANTIALLY END TO END ABUTTING RELATIONSHIP, CUTTING A PRECISELY PREDETERMINED WIDTH FIRST KERF IN ONE ROTATIONAL DIRECTION BETWEEN THE ABUTTING ENDS OF SAID PIPE SECTIONS STARTING FROM A TOP PORTION OF SAID PIPE AROUND A FIRST SUBSTANTIALLY SEMICIRCULAR PART OF THEIR JOINING PERIPHERY WITH A FIRST CUTTING MEANS, WELDING IN SAID DIRECTION PROGRESSIVELY ALONG SAID FIRST KERF WHILE CONTINUING SAID CUTTING ABOUT SAID FIRST SEMICIRCULAR KERF WITH A FIRST WELDING MEANS, CUTTING A PRECISELY PREDETERMINED WIDTH SECOND KERF IN THE OPPO-
Claim 2
Independent Claim
103 words
THE METHOD OF FORMING GIRTH WELDS BETWEEN HORIZONTAL TUBULAR SECTIONS OF PIPE COMPRISING THE STEPS OF BRINGING SAID SECTIONS OF PIPE INTO SUBSTANTIALLY END TO END ABUTTING RELATIONSHIP, CUTTING A PRECISELY PREDETERMINED WIDTH FIRST KERF IN ONE ROTATIONAL DIRECTION BETWEEN THE ABUTTING ENDS OF SAID PIPE SECTIONS STARTING FROM A TOP PORTION OF SAID PIPE AROUND A FIRST SUBSTANTIALLY SEMICIRCULAR PART OF THEIR JOINING PERIPHERY WITH A FIRST CUTTING MEANS, WELDING IN SAID DIRECTION PROGRESSIVELY ALONG SAID FIRST KERF WHILE CONTINUING SAID CUTTING ABOUT SAID FIRST SEMICIRCULAR KERF WITH A FIRST WELDING MEANS, CUTTING A PRECISELY PREDETERMINED WIDTH SECOND KERF IN THE OPPO-
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |