Patent US3116141A successfully refreshed from Google Patents.
US3116141A
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Welding composition
Assignee: Erico International Corp
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Filing: 1959-11-02
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Granted: 1963-12-31
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Expires: 1979-11-02
Abstract
No abstract record available.
Inventors
- 👤 Rolf E Raylander
- 👤 Lynn J Ebert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:55
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/34; B23K35/24; B23K35/30; B23K35/302; Y; Y10; Y10S; Y10S75/00; Y10S75/959
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
IN A WELDING COMPOSITION FOR USE IN AN EXOTHERMIC REACTION CONSISTING ESSENTIALLY OF A MIXTURE OF COPPER OXIDE AND A COPPER-ALUMINUM ALLOY, THE IMPROVEMENTS OF AN ADDITIVE SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN, COBALT, AND REDUCIBLE COMPOUNDS THEREOF, SAID ADDITIVE BEING PRESENT IN AN AMOUNT BASED ON THE ADDITIVE METAL FROM ABOUT 0.2 PERCENT TO ABOUT 10 PERCENT BY WEIGHT OF THE MIXTURE.
Claim 2
Dependent Claim
64 words
IN A WELDING COMPOSITION FOR USE IN AN EXOTHERMIC REACTION CONSISTING ESSENTIALLY OF A MIXTURE OF COPPER OXIDE AND A COPPER-ALUMINUM ALLOY, THE IMPROVEMENTS OF AN ADDITIVE SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN, COBALT, AND REDUCIBLE COMPOUNDS THEREOF, SAID ADDITIVE BEING PRESENT IN AN AMOUNT BASED ON THE ADDITIVE METAL FROM ABOUT 0.2 PERCENT TO ABOUT 10 PERCENT BY WEIGHT OF THE MIXTURE.
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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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |