Patent US1697049A successfully refreshed from Google Patents.
Patent US2802930A successfully refreshed from Google Patents.
US2802930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloy cast iron arc-oxygen cutting electrode
Assignee: Individual
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Filing: 1955-04-25
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Granted: 1957-08-13
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Expires: 1975-04-25
Abstract
No abstract record available.
Inventors
- 👤 Bela M Ronay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:47
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0211; B23K35/0216; B23K35/22; B23K35/228
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A COMPOSITE ARC-OXYGEN CUTTING ELECTRODE COMPRISING TWO SIMILAR ELONGATED SECTIONS OF A CAST IRON ALLOY CONTAINING FROM SUBSTANTIALLY ONE-HALF OF ONE PERCENT UP TO SUBSTANTIALLY FIVE PERCENT OF ALUMINUM AND FROM SUBSTANTIALLY TWELVE TO FOURTEEN PERCENT OF SILICON, SAID SECTIONS HAVING COMPLEMENTARY SURFACES AXIAILY THEREALONG EACH WITH A HOLLOWED-OUT AXIAL GROOVE CONSTRUCTED AND ARRANGED TO FORM A UNITARY ELONGATED MEMBER WITH AN OXYGEN-CONDUCTING CENTRAL BORE THEREIN WHTN FITTED TOGETHER AS AN ELECTRODE, SAID SILICON AND ALUMINUM BEING PROPORTIONED TO FORM A FEFACTORY SLAG ABOUT THE ELECTRODE END AS THE ARC IS OPERATED TOTHEREBY REDUCE THE MELTING RATE OF THE ELECTRODE AND PROLONG ITS LIFE IN CUTTING
Claim 2
Dependent Claim
106 words
A COMPOSITE ARC-OXYGEN CUTTING ELECTRODE COMPRISING TWO SIMILAR ELONGATED SECTIONS OF A CAST IRON ALLOY CONTAINING FROM SUBSTANTIALLY ONE-HALF OF ONE PERCENT UP TO SUBSTANTIALLY FIVE PERCENT OF ALUMINUM AND FROM SUBSTANTIALLY TWELVE TO FOURTEEN PERCENT OF SILICON, SAID SECTIONS HAVING COMPLEMENTARY SURFACES AXIAILY THEREALONG EACH WITH A HOLLOWED-OUT AXIAL GROOVE CONSTRUCTED AND ARRANGED TO FORM A UNITARY ELONGATED MEMBER WITH AN OXYGEN-CONDUCTING CENTRAL BORE THEREIN WHTN FITTED TOGETHER AS AN ELECTRODE, SAID SILICON AND ALUMINUM BEING PROPORTIONED TO FORM A FEFACTORY SLAG ABOUT THE ELECTRODE END AS THE ARC IS OPERATED TOTHEREBY REDUCE THE MELTING RATE OF THE ELECTRODE AND PROLONG ITS LIFE IN CUTTING
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) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |