US2547432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated welding rod
Assignee: Primerica Inc
•
Filing: 1946-01-18
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Granted: 1951-04-03
•
Expires: 1966-01-18
Abstract
No abstract record available.
Inventors
- 👤 Andrews William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:58
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/365
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN A COATING MATERIAL FOR AN ELECTRODE COMPRISING POWDERED MINERALS AS COATING INGREDIENTS, THE COMBINATION THEREWITH AS A BINDER FOR SAID COATING INGREDIENTS OF AN ALKYLI METAL ALUMINATE HAVING A MOLECULAR RATIO OF ALKALI METAL OXIDE TO ALUMINUM OXIDE IN EXCESS OF ONE, AND A METAL OXIDE CONBINABLE WITH SAID EXCESS ALKALI METAL OXIDE, THE AMOUNT OF SAID ALKALI METAL ALUMINATE BEING SUFFICIENT TO ENABLE THE SAME TO BIND SAID COATING INGREDIENTS, AND THE AMOUNT OF SAID METAL OXIDE BEING SUFFICIENT TO COMBINE WITH SAID EXCESS ALKALI METAL OXIDE, SAID METAL OXIDE BEING SELECTED FROM THE CLASS CONSISTING OF THE OXIDES OF ALUMINUM, TITANIUM FROM THE CLASS CONSISTING OF SODIUM AND POTASSIUM.
Claim 2
Dependent Claim
112 words
IN A COATING MATERIAL FOR AN ELECTRODE COMPRISING POWDERED MINERALS AS COATING INGREDIENTS, THE COMBINATION THEREWITH AS A BINDER FOR SAID COATING INGREDIENTS OF AN ALKYLI METAL ALUMINATE HAVING A MOLECULAR RATIO OF ALKALI METAL OXIDE TO ALUMINUM OXIDE IN EXCESS OF ONE, AND A METAL OXIDE CONBINABLE WITH SAID EXCESS ALKALI METAL OXIDE, THE AMOUNT OF SAID ALKALI METAL ALUMINATE BEING SUFFICIENT TO ENABLE THE SAME TO BIND SAID COATING INGREDIENTS, AND THE AMOUNT OF SAID METAL OXIDE BEING SUFFICIENT TO COMBINE WITH SAID EXCESS ALKALI METAL OXIDE, SAID METAL OXIDE BEING SELECTED FROM THE CLASS CONSISTING OF THE OXIDES OF ALUMINUM, TITANIUM FROM THE CLASS CONSISTING OF SODIUM AND POTASSIUM.
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |