US3209122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of arc-welding
Assignee: Westinghouse Electric Corp
•
Filing: 1963-04-19
•
Granted: 1965-09-28
•
Expires: 1983-04-19
Abstract
No abstract record available.
Inventors
- 👤 Harold E Johnston
- 👤 Arnold S Kitzes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:42
CPC Classifications
B; B23; B23K; B23K33/00; B23K33/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
THE METHOD OF FORMING A METALLURGICAL BOND BETWEEN THE ENDS OF A PLURALITY OF PARTS WHICH COMPRISES FORMING A PROJECTION FROM EACH OF SAID ENDS, EACH SAID PROJECTION EXTENDING INWARDLY FROM BOTH WALLS OF SAID PARTS ADJACENT SAID END, BRINGING SAID PROJECTIONS INTO ABUTTING ENGAGEMENT WITH THE ENDS COEXTENSIVE TO FORM A JOINT CONSTITUTING SUBSTANTIALLY A CONTINUOUS THIN SURFACE, AND PRODUCING A WELD AT SAID JOINT BY FIRING A WELDING ARC AT A STARTING POINT OF SAID JOINT AND MOVING SAID ARC ALONG SAID JOING, THE CURRENT OF SAID WELDING ARC BEING SET AT A LOW MAGNITUDE SUCH AS TO FUSE SAID JOING WITHOUT SUBSTANTIALLY DAMAGING OR DEFORMING SAID SURFACE.
Claim 2
Independent Claim
110 words
THE METHOD OF FORMING A METALLURGICAL BOND BETWEEN THE ENDS OF A PLURALITY OF PARTS WHICH COMPRISES FORMING A PROJECTION FROM EACH OF SAID ENDS, EACH SAID PROJECTION EXTENDING INWARDLY FROM BOTH WALLS OF SAID PARTS ADJACENT SAID END, BRINGING SAID PROJECTIONS INTO ABUTTING ENGAGEMENT WITH THE ENDS COEXTENSIVE TO FORM A JOINT CONSTITUTING SUBSTANTIALLY A CONTINUOUS THIN SURFACE, AND PRODUCING A WELD AT SAID JOINT BY FIRING A WELDING ARC AT A STARTING POINT OF SAID JOINT AND MOVING SAID ARC ALONG SAID JOING, THE CURRENT OF SAID WELDING ARC BEING SET AT A LOW MAGNITUDE SUCH AS TO FUSE SAID JOING WITHOUT SUBSTANTIALLY DAMAGING OR DEFORMING SAID SURFACE.
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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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |