US3086103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refractory electrode-inert gas shielded-arc working
Assignee: Union Carbide Corp
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Filing: 1961-03-28
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Granted: 1963-04-16
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Expires: 1981-03-28
Abstract
No abstract record available.
Inventors
- 👤 Robert L Hackman
- 👤 August F Manz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:45
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0205; B23K35/22; B23K35/222; B23K9/00; B23K9/06; B23K9/067; B23K9/0672; B23K9/0678; B23K9/24; B23K9/28; H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/32; H05H1/34; H05H1/3421
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
REFRACTORY ELECTRODE WORK-IN CIRCUIT INERT GAS SHIELDED-ARC WORKING APPARTUS, COMPRISING THE COMBINATION WITH AUXILIARY ELECTRODE, OF A COMPOSITE MAIN ELECTRODE, AND MEANS FOR ENERGIZING A PILOT ARC BETWEEN THE END OF SAID AUXILIARY ELECTRODE AND SAID COMPOSITE MAIN ELECTRODE TO ASSIST A WORKING ARC AT THE END OF SAID MAIN COMPOSITE ELECTRODE IN A STREAM OF INERT GAS, SAID COMPOSITE MAIN ELECTRODE CONSISTING OF AN ELONGATED SOLID MEMBER CONSISTING OF A BASE COMPOSED OF SUBSTANTIALLY
Claim 2
Dependent Claim
75 words
REFRACTORY ELECTRODE WORK-IN CIRCUIT INERT GAS SHIELDED-ARC WORKING APPARTUS, COMPRISING THE COMBINATION WITH AUXILIARY ELECTRODE, OF A COMPOSITE MAIN ELECTRODE, AND MEANS FOR ENERGIZING A PILOT ARC BETWEEN THE END OF SAID AUXILIARY ELECTRODE AND SAID COMPOSITE MAIN ELECTRODE TO ASSIST A WORKING ARC AT THE END OF SAID MAIN COMPOSITE ELECTRODE IN A STREAM OF INERT GAS, SAID COMPOSITE MAIN ELECTRODE CONSISTING OF AN ELONGATED SOLID MEMBER CONSISTING OF A BASE COMPOSED OF SUBSTANTIALLY
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |