US3406444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a joint
Assignee: ANGUS R PARKER
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Filing: 1965-08-12
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Granted: 1968-10-22
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Expires: 1985-08-12
Abstract
No abstract record available.
Inventors
- 👤 Angus R Parker
- 👤 Earl W Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:35
CPC Classifications
B; B23; B23K; B23K33/00; B23K33/004; B23K9/00; B23K9/02; B23K9/028; B23K9/0282
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A PROCESS OF BUTT WELDING THE ADJOINING ENDS OF A PAIR OF TUBULAR MEMBERS, SAID PROCESS COMPRISING: (A) MACHINING THE ENDS OF THE TUBULAR MEMBERS WHICH ARE TO BE ADJOINED SO AS TO FORM A ROOT WALL PORTION OF REDUCED THICKNESS WITH A FLANGED END PORTION OF A PREDETERMINED INCREASED THICKNESS; (B) ALIGNING THE ADJOINING ENDS OF THE TUBULAR MEMBERS TO BE BUTT WELDED; (C) FUUSING THE FLANGED PORTIONS OF THE ADJOINING ENDS OF THE TUBULAR MEMBERS; (D) AND FILLING WITH WELD METAL THE MACHINED SPACE BETWEEN ADJOINING ENDS OF THE TUBULAR MEMBERS.
Claim 2
Dependent Claim
93 words
A PROCESS OF BUTT WELDING THE ADJOINING ENDS OF A PAIR OF TUBULAR MEMBERS, SAID PROCESS COMPRISING: (A) MACHINING THE ENDS OF THE TUBULAR MEMBERS WHICH ARE TO BE ADJOINED SO AS TO FORM A ROOT WALL PORTION OF REDUCED THICKNESS WITH A FLANGED END PORTION OF A PREDETERMINED INCREASED THICKNESS; (B) ALIGNING THE ADJOINING ENDS OF THE TUBULAR MEMBERS TO BE BUTT WELDED; (C) FUUSING THE FLANGED PORTIONS OF THE ADJOINING ENDS OF THE TUBULAR MEMBERS; (D) AND FILLING WITH WELD METAL THE MACHINED SPACE BETWEEN ADJOINING ENDS OF THE TUBULAR MEMBERS.
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) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |