Patent US3453142A successfully refreshed from Google Patents.
US3453142A
Expired / Lapsed
US
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Welding electrode and composition
Assignee: Airco Inc
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Filing: 1966-03-14
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Granted: 1969-07-01
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Expires: 1986-03-14
Abstract
No abstract record available.
Inventors
- 👤 Karl E Dorschu
- 👤 Jerome M Rolnick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:00
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/365; B23K35/24; B23K35/30; B23K35/3053; B23K35/3066; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12104; Y10T428/12111; Y10T428/12125; Y10T428/12132; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12972; Y10T428/29; Y10T428/2913; Y10T428/2918; Y10T428/292; Y10T428/2933; Y10T428/294; Y10T428/2951; Y10T428/2953; Y10T428/2955; Y10T428/2958
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A COATING COMPOSITION FOR COATED ELECTRODES COMPRISING IN PERCENT BY WEIGHT 0 TO 1.5 TITANIUM, 0 TO 35 IRON, 1.0 TO 3.0 SILICON, 4.0 TO 9.0 MANGANESE, 1.5 TO 4.0 CHROMIUM, 0.8 TO 2.0 MOLYBDENIUM, 3.5 TO 7.0 NICKEL, 0 TO 2.0 COPPER, 0 TO 0.1 VANADIUM, 5.0 TO 12.0 SODIUM SILICATE OR POTASSIUM SILICATE, 0 TO 12.0 INSOLUBLE SILICATES, 0 TO 8.0 POTASSIUM-BEARING COMPOUNDS OTHER THAN POTASSIUM SILICATE, 30.0 TO 60.0 CALCIUM-BEARING COMPOUNDS, AND 0 TO 2.0 ORGANICS.
Claim 2
Dependent Claim
79 words
A COATING COMPOSITION FOR COATED ELECTRODES COMPRISING IN PERCENT BY WEIGHT 0 TO 1.5 TITANIUM, 0 TO 35 IRON, 1.0 TO 3.0 SILICON, 4.0 TO 9.0 MANGANESE, 1.5 TO 4.0 CHROMIUM, 0.8 TO 2.0 MOLYBDENIUM, 3.5 TO 7.0 NICKEL, 0 TO 2.0 COPPER, 0 TO 0.1 VANADIUM, 5.0 TO 12.0 SODIUM SILICATE OR POTASSIUM SILICATE, 0 TO 12.0 INSOLUBLE SILICATES, 0 TO 8.0 POTASSIUM-BEARING COMPOUNDS OTHER THAN POTASSIUM SILICATE, 30.0 TO 60.0 CALCIUM-BEARING COMPOUNDS, AND 0 TO 2.0 ORGANICS.
References Cited (Backward Citations)
US2789924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |