Patent US2182204A successfully refreshed from Google Patents.
Patent US3296412A successfully refreshed from Google Patents.
US3296412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertical welding of aluminum
Assignee: BUTTERFLY GROUP LLC
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Filing: 1964-01-08
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Granted: 1967-01-03
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Expires: 1984-01-08
Abstract
No abstract record available.
Inventors
- 👤 Matthew J Waite
- 👤 Thomas J Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:32
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/038
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
THE PROCESS OF VERTICAL WELDING OF ALUMINUM BASE ALLOY PLATES, WHICH COMPRISES POSITIONING ALUMINUM BASE ALLOY PLATES HAVING A THICKNESS IN EXCESS OF 1/2 INCH IN SPACED RELATION VERTICALLY TO FORM A VERTICAL WELD GROOVE, DISCHARGING ELECTRIC CURRENT FROM AN ALUMINUM ELECTRODE TO THE BASE METAL IN THE GROOVE TO FORM A WELD POOL, DEFINING THE WELD POOL AT THE EDGES BY SHOES WHICH ENGAGE THE PLATES, MOVING THE SHOES UPWARDLY WITH THE WELD SO THAT THE BOTTOM OF THE SHOES ARE ALWAYS WITHIN ONE INCH OF THE TOP OF THE WELD POOL, QUENCHING THE NEWLY FORMED WELD AND THE PLATES IMMEDIATELY BELOW THE SHOES BY A FLUID MEDIUM AND PROTECTING THE WELD BY A GAS OF A CLASS CONSISTING OF ARGON, HELIUM AND MIXTURES THEREOF.
Claim 2
Dependent Claim
126 words
THE PROCESS OF VERTICAL WELDING OF ALUMINUM BASE ALLOY PLATES, WHICH COMPRISES POSITIONING ALUMINUM BASE ALLOY PLATES HAVING A THICKNESS IN EXCESS OF 1/2 INCH IN SPACED RELATION VERTICALLY TO FORM A VERTICAL WELD GROOVE, DISCHARGING ELECTRIC CURRENT FROM AN ALUMINUM ELECTRODE TO THE BASE METAL IN THE GROOVE TO FORM A WELD POOL, DEFINING THE WELD POOL AT THE EDGES BY SHOES WHICH ENGAGE THE PLATES, MOVING THE SHOES UPWARDLY WITH THE WELD SO THAT THE BOTTOM OF THE SHOES ARE ALWAYS WITHIN ONE INCH OF THE TOP OF THE WELD POOL, QUENCHING THE NEWLY FORMED WELD AND THE PLATES IMMEDIATELY BELOW THE SHOES BY A FLUID MEDIUM AND PROTECTING THE WELD BY A GAS OF A CLASS CONSISTING OF ARGON, HELIUM AND MIXTURES THEREOF.
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |