US2861013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodes for arc welding of special steel
Assignee: Individual
•
Filing: 1953-07-09
•
Granted: 1958-11-18
•
Expires: 1973-07-09
Abstract
No abstract record available.
Inventors
- 👤 Sarazin Jean Lucien
- 👤 Fracchia Simone Alice
- 👤 Moneyron Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:27
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0255; B23K35/0261; B23K35/22; B23K35/24; B23K35/30; B23K35/3053; B23K35/308; B23K35/3086; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/925; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12104; Y10T428/12111; Y10T428/12125; Y10T428/12132; Y10T428/12493; Y10T428/12639; Y10T428/12646; Y10T428/12653; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2951; Y10T428/2955; Y10T428/2958
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
AN ARC WELDING ELECTRODE FOR WELDING STAINLESS STEELS OF THE CHROMIUM-NICKEL-MOLYBDENUM TYPE AND ADAPTED UPON DEPOSITION BY MEANS OF ARC WELDING TO PRODUCE AN ALLOY STEEL CONTAINING FROM 19 TO 23% CHROMIUM, FROM 8 TO 11% NICKEL AND FROM 1.7 TO 3.5% MOLYBDENIUM, SAID ELECTRODE COMPRISING A CORE OF MILD CARBON STEEL WIRE HAVING A COATING THEREON THE OUTSIDE DIAMETER OF WHICH IS FROM 1.7 TO 2.05 TIMES THE DIAMETER OF THE WIRE CORE, SAID COATING CONSISTING ESSENTIALLY OF: A DRY POWDERED MIXTURE OF NICKEL AND CHRONIUM AND MOLYBDENUM COMPOUNDS, 3,300 TO 7,700 GRAMS, METALLIC SILICATE, 300 TO 700 GRAMS; UP TO 100 GRAMS OF AN ORGANIC FLUE ADAPTED TO FACILITATE EXTRUSION; AND 1,800 GRAMS OF AN ELECTRODE COATING COMPOSITION CONTAINING DEOXIDIZING AND SLAG FORMING INGREDIENTS.
Claim 2
Dependent Claim
126 words
AN ARC WELDING ELECTRODE FOR WELDING STAINLESS STEELS OF THE CHROMIUM-NICKEL-MOLYBDENUM TYPE AND ADAPTED UPON DEPOSITION BY MEANS OF ARC WELDING TO PRODUCE AN ALLOY STEEL CONTAINING FROM 19 TO 23% CHROMIUM, FROM 8 TO 11% NICKEL AND FROM 1.7 TO 3.5% MOLYBDENIUM, SAID ELECTRODE COMPRISING A CORE OF MILD CARBON STEEL WIRE HAVING A COATING THEREON THE OUTSIDE DIAMETER OF WHICH IS FROM 1.7 TO 2.05 TIMES THE DIAMETER OF THE WIRE CORE, SAID COATING CONSISTING ESSENTIALLY OF: A DRY POWDERED MIXTURE OF NICKEL AND CHRONIUM AND MOLYBDENUM COMPOUNDS, 3,300 TO 7,700 GRAMS, METALLIC SILICATE, 300 TO 700 GRAMS; UP TO 100 GRAMS OF AN ORGANIC FLUE ADAPTED TO FACILITATE EXTRUSION; AND 1,800 GRAMS OF AN ELECTRODE COATING COMPOSITION CONTAINING DEOXIDIZING AND SLAG FORMING INGREDIENTS.
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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) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |