US3205560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a pressure welded finned panel
Assignee: Reynolds Metals Co
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Filing: 1956-04-27
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Granted: 1965-09-14
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Expires: 1976-04-27
Abstract
No abstract record available.
Inventors
- 👤 Harold J Loehlein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:07
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/12; B; B21; B21D; B21D53/00; B21D53/02; B21D53/04; B21D53/045; F28F3/00; F28F3/02; F28F3/025; F28F3/027; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49366; Y10T29/49369; Y10T29/49371
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A METHOD OF MAKING A FINNED PANEL COMPRISING: ASSEMBLING AT LEAST TWO FORESHORTENED FIN-FORMING METAL SHEETS IN ADJACENT SUPERPOSED FACE-TO-FACE RELATIONSHIP UPON A FORESHORTEMED PANEL-FORMING METAL SHEET WITH A FORESHORTENED FIN-FORMING PATTERN OF STOP-WELD MATERIAL INTERPOSED BETWEEN THAT FACE, OF EACH FIN-FORMING SHEET, WHICH IS MOST ADJACENT TO SAID PANEL-FORMING SHEET, AND THE ADJACENT FACE OF THE ADJACENT SHEET, SAID FIN FORMING PATTERNS OVERLAPPING ONE ANOTHER IN A DIRECTION PROCEEDING OUTWARD FROM SAID PANEL-FORMING SHEET TO PROVIDE A GROUP OF OVERLAPPING FIN-FORMING PATTERNS, SAID GROUP OF OVERLAPPING FIN-FORMING PATTERNS INCLUDING A RELATIVE NARROW INNER PATTERN ON THE PANEL SIDE OF THE INNERMOST FIN-FORMING SHEETAND A RELATIVELY WIDE OUTER PATTERN ON THE INNER SIDE OF THE OUTERMOST FIN-FORMING SHEET; PRESSURE WELDING SAID ASSEMBLY INTO AN ELONGATE PANEL HAVING OVERLAPPING UNBONDED FIN-FORMING PORTIONS CORRESPONDING TO SAID GROUP OF OVERLAPPING FIN-FORMING PATTERNS; SLITTING SAID OVERLAPPING UNBONDED PORTIONS OF SAID FIN-FORMING SHEETS TO FREE THEIR FIN-FORMING PORTIONS; AND BENDING SAID FIN-FORMING PORTIONS OUTWARDLY TO FORM FINS.
Claim 2
Independent Claim
162 words
A METHOD OF MAKING A FINNED PANEL COMPRISING: ASSEMBLING AT LEAST TWO FORESHORTENED FIN-FORMING METAL SHEETS IN ADJACENT SUPERPOSED FACE-TO-FACE RELATIONSHIP UPON A FORESHORTEMED PANEL-FORMING METAL SHEET WITH A FORESHORTENED FIN-FORMING PATTERN OF STOP-WELD MATERIAL INTERPOSED BETWEEN THAT FACE, OF EACH FIN-FORMING SHEET, WHICH IS MOST ADJACENT TO SAID PANEL-FORMING SHEET, AND THE ADJACENT FACE OF THE ADJACENT SHEET, SAID FIN FORMING PATTERNS OVERLAPPING ONE ANOTHER IN A DIRECTION PROCEEDING OUTWARD FROM SAID PANEL-FORMING SHEET TO PROVIDE A GROUP OF OVERLAPPING FIN-FORMING PATTERNS, SAID GROUP OF OVERLAPPING FIN-FORMING PATTERNS INCLUDING A RELATIVE NARROW INNER PATTERN ON THE PANEL SIDE OF THE INNERMOST FIN-FORMING SHEETAND A RELATIVELY WIDE OUTER PATTERN ON THE INNER SIDE OF THE OUTERMOST FIN-FORMING SHEET; PRESSURE WELDING SAID ASSEMBLY INTO AN ELONGATE PANEL HAVING OVERLAPPING UNBONDED FIN-FORMING PORTIONS CORRESPONDING TO SAID GROUP OF OVERLAPPING FIN-FORMING PATTERNS; SLITTING SAID OVERLAPPING UNBONDED PORTIONS OF SAID FIN-FORMING SHEETS TO FREE THEIR FIN-FORMING PORTIONS; AND BENDING SAID FIN-FORMING PORTIONS OUTWARDLY TO FORM FINS.
References Cited (Backward Citations)
US634469A
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US1833985A
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US2375334A
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US2573538A
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US2766514A
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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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |