Patent US2664622A successfully refreshed from Google Patents.
US2664622A
Expired / Lapsed
US
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Method of effecting nonfusion welds with a steel weldrod
Assignee: Individual
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Filing: 1950-03-02
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Granted: 1954-01-05
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Expires: 1970-03-02
Abstract
No abstract record available.
Inventors
- 👤 Spitz Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:50
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A METHOD OF EFFECTING THE NON-FUSION WELD OF A BASE METAL WITH A STEEL WELDMETAL WHEREIN SAID BASE METAL IS SELECTED FROM THE GROUP CONSISTING OF FERROUS METALS AND BRAZABLE NON-FERROUS METALS, COMPRISING THE STEPS OF PREHEATING SAID BASE METAL TO AN ELEVATED TEMPERATURE BELOW THE SOLIDUS OF SAID BASE METAL, MELTING SAID WELDMETAL, DEPOSITING SAID WELDMETAL IN THE WELDZONE TO PRODUCE A RESULTANT BONDING TEMPERATURE OF SAID BASE METAL WHICH IS BELOW THE SOLIDUS OF SAID BASE METAL, SUBSTTANTIALLY CONCURRENTLY INTRODUCING INTO THE WELDZONE MOLTEN LOW-MELTING EUTECTIFEROUS PHASE-FORMING ELEMENTS IN SUFFICIENT QUANTITY TO CREATE AN INTERMEDIATE ALLOY PHASE HAVING AFFINITY FOR THE WELDMETAL AND BASE
Claim 2
Independent Claim
106 words
A METHOD OF EFFECTING THE NON-FUSION WELD OF A BASE METAL WITH A STEEL WELDMETAL WHEREIN SAID BASE METAL IS SELECTED FROM THE GROUP CONSISTING OF FERROUS METALS AND BRAZABLE NON-FERROUS METALS, COMPRISING THE STEPS OF PREHEATING SAID BASE METAL TO AN ELEVATED TEMPERATURE BELOW THE SOLIDUS OF SAID BASE METAL, MELTING SAID WELDMETAL, DEPOSITING SAID WELDMETAL IN THE WELDZONE TO PRODUCE A RESULTANT BONDING TEMPERATURE OF SAID BASE METAL WHICH IS BELOW THE SOLIDUS OF SAID BASE METAL, SUBSTTANTIALLY CONCURRENTLY INTRODUCING INTO THE WELDZONE MOLTEN LOW-MELTING EUTECTIFEROUS PHASE-FORMING ELEMENTS IN SUFFICIENT QUANTITY TO CREATE AN INTERMEDIATE ALLOY PHASE HAVING AFFINITY FOR THE WELDMETAL AND BASE
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) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |