US2834870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc welding gun
Assignee: Westinghouse Electric Corp
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Filing: 1956-03-09
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Granted: 1958-05-13
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Expires: 1976-03-09
Abstract
No abstract record available.
Inventors
- 👤 William N Platte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:39
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/24; B23K9/28; B23K9/29; B23K9/291
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
AN ARC WELDING GUN FOR WELDING WORK IN A SHIELD OF NON-REACTIVE GAS COMPRISING A GUN BODY HAVING A CHANNEL FOR TRANSMITTING SAID GAS AND INCLUDING MEANS FOR SUPPORTING AN ELECTRODE IN WELDING RELATIONSHIP TO SAID WORK, AND MEANS FOR SUPPLYING CURRENT FOR WELDING TO SAID ELECTRODE, THE SAID GUN BEILNG CHARACTERIZED BY GETTERING MEANS CONNECTED TO SAID GUN BODY AND INTERPOSED AT THE TERMINUS OF SAID CHANNEL, SAID GETTERING MEANS BEING SO CONNECTED TO SAID ARC THAT DURING WELDING SAID GETTERING MEANS IS HEATED TO A TEMPERATURE SUCH THAT IT IS EFFECTIVE IN REMOVING MATERIAL SUCH AS WATER VAPOR, OXYGEN AND NITROGEN FROM SAID GAS.
Claim 2
Dependent Claim
106 words
AN ARC WELDING GUN FOR WELDING WORK IN A SHIELD OF NON-REACTIVE GAS COMPRISING A GUN BODY HAVING A CHANNEL FOR TRANSMITTING SAID GAS AND INCLUDING MEANS FOR SUPPORTING AN ELECTRODE IN WELDING RELATIONSHIP TO SAID WORK, AND MEANS FOR SUPPLYING CURRENT FOR WELDING TO SAID ELECTRODE, THE SAID GUN BEILNG CHARACTERIZED BY GETTERING MEANS CONNECTED TO SAID GUN BODY AND INTERPOSED AT THE TERMINUS OF SAID CHANNEL, SAID GETTERING MEANS BEING SO CONNECTED TO SAID ARC THAT DURING WELDING SAID GETTERING MEANS IS HEATED TO A TEMPERATURE SUCH THAT IT IS EFFECTIVE IN REMOVING MATERIAL SUCH AS WATER VAPOR, OXYGEN AND NITROGEN FROM SAID GAS.
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) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |