US2594905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc welding electrode
Assignee: General Electric Co
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Filing: 1950-03-30
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Granted: 1952-04-29
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Expires: 1970-03-30
Abstract
No abstract record available.
Inventors
- 👤 Charles J Gallagher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:40
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0205; B23K35/22; B23K35/222
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A NON-CONSUMABLE CORED INERT GAS SHIELDED ELECTRODE WHICH IS CAPABLE OF STARTING AN ARC INSTANTLY AND MAINTAINING A STABLE ARC, SAID ELECTRODE COMPRISING A METAL HAVING HIGH HEAT CONDUCTIVITY AND A LOW MELTING POINT RELATIVE TO THE CORE OF THE ELECTRODE, SAID CORE COMPRISING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF THORIA ZIRCONIA AND CERIA.
Claim 2
Dependent Claim
56 words
A NON-CONSUMABLE CORED INERT GAS SHIELDED ELECTRODE WHICH IS CAPABLE OF STARTING AN ARC INSTANTLY AND MAINTAINING A STABLE ARC, SAID ELECTRODE COMPRISING A METAL HAVING HIGH HEAT CONDUCTIVITY AND A LOW MELTING POINT RELATIVE TO THE CORE OF THE ELECTRODE, SAID CORE COMPRISING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF THORIA ZIRCONIA AND CERIA.
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) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |