US2756310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding rod holder
Assignee: Union Carbide Corp
•
Filing: 1953-04-06
•
Granted: 1956-07-24
•
Expires: 1973-04-06
Abstract
No abstract record available.
Inventors
- 👤 John F Galbraith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:15
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/12; B23K9/122; B23K9/123
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
140 words
A WELDING ROD HOLDER COMPRISING A TUBULAR BODY OF CONDUCTIVE METAL THROUGH WHICH A WELDING ROD MAY BE MOVED AND SUPPLIED WITH CURRENT THEREFROM, ONE END PORTION BEING ADAPTED FOR CONNECTION TO A SOURCE OF WELDING CURRENT, THE OPPOSITE END OF SAID TUBULAR BODY BEING SLOTTED TO PROVIDE RESILIENT CANTILEVER ARMS, WEAR RESISTING CONDUCTIVE INSERTS IN THE OUTER END OF EACH CANTILEVER ARM, THE LENGTH OF THE CANTILEVER ARMS AND THICKNESS OF THE INSERTS BEING SUFFICIENT TO SPREAD SAID ARMS FOR EXERTING A CLAMPING ACTION ON A WELDING ROD, A CONICAL COLLET NUT HAVING A FLANGE BENT OVER AN END PORTION OF SAID INSERTS FOR RETAINING THEM AGAINST OUTWARD THRUST EXERTED BY THE WELDING ROD MOVEMENT AND A LOCKING MEANS COOPERATING WITH SAID TUBULAR BODY AND COLLET NUT TO RETAIN THE LATTER AGAINST BEING MOVED LONGITUDINALLY OFF SAID TUBULAR BODY.
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) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |