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US2758368A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making composite metal bodies of different metals

Assignee: Individual
•
Filing: 1951-09-11
•
Granted: 1956-08-14
•
Expires: 1971-09-11
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Abstract

No abstract record available.

Inventors

  • 👤 John B Ulam

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 06:34
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/22

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 198 words
THE METHOD OF MAKING A COMPOSITE METAL BODY OF DIFFERENT METALS WHICH COMPRISES THE STEPS OF MECHANICALLY CLEANING BY REMOVING THE SURFACE OF THE ATTACHING FACE OF EACH OF THE METAL COMPONENTS TO PROVIDE A NEWLY EXPOSED CLEANED MOLECULAR SURFACE, STACKING THE NEWLY EXPOSED CLEANED MOLECULAR SURFACES OF THE DIFFERENT METAL COMPONENTS IN DIRECT CONTACT WITH EACH OTHER TO INTERLOCK THEIR MOLECULAR STRUCTURE AND FORM A STACKED COMPOSITE BODY, SEALING THE METAL COMPONENTS OF THE STACKED COMPOSITE BODY TOGETHER AROUND THE PERIMETER THEREOF TO COMPLETELY ENCLOSE THE CLEANED AND STACKED SURFACES FROM THE ATMOSPHERE AND MAINTAIN THE CLEANED MOLECULAR SURFACES IN CONTACT WITH ONE ANOTHER AND TO FROM A UNITARY BODY, EXHAUSTING AIR FROM BETWEEN THE ENCLOSED CLEANED MOLECULAR SURFACES TO PRODUCE A VACUUM SUBSTANTIALLY 25.85 INCHES OF MERCURY, SEALING OFF THE EVACUATED ENCLOSURE TO PREVENT THE ACCESS OF OXIDIZING ATMOSPHERE TO THE CLEANED MOLECULAR SURFACES TO BE JOINED IN FORMING THE COMPOSITE BODY, HEATING THE SEALED UNITARY BODY TO A PREDETERMINED TEMPERATURE TO DILATE THE MOLECULAR STRUCTURE OF AT LEAST ONE OF THE COMPOSITE PARTS, AND SUBJECTING THE HEATED UNITARY BODY TO WORKING PRESSURE TO DIFFUSE THE CLEANED MOLECULAR CONTACTING SURFACE TOGETHER AND FORM THE COMPOSITE BODY.
Claim 2
Independent Claim 198 words
THE METHOD OF MAKING A COMPOSITE METAL BODY OF DIFFERENT METALS WHICH COMPRISES THE STEPS OF MECHANICALLY CLEANING BY REMOVING THE SURFACE OF THE ATTACHING FACE OF EACH OF THE METAL COMPONENTS TO PROVIDE A NEWLY EXPOSED CLEANED MOLECULAR SURFACE, STACKING THE NEWLY EXPOSED CLEANED MOLECULAR SURFACES OF THE DIFFERENT METAL COMPONENTS IN DIRECT CONTACT WITH EACH OTHER TO INTERLOCK THEIR MOLECULAR STRUCTURE AND FORM A STACKED COMPOSITE BODY, SEALING THE METAL COMPONENTS OF THE STACKED COMPOSITE BODY TOGETHER AROUND THE PERIMETER THEREOF TO COMPLETELY ENCLOSE THE CLEANED AND STACKED SURFACES FROM THE ATMOSPHERE AND MAINTAIN THE CLEANED MOLECULAR SURFACES IN CONTACT WITH ONE ANOTHER AND TO FROM A UNITARY BODY, EXHAUSTING AIR FROM BETWEEN THE ENCLOSED CLEANED MOLECULAR SURFACES TO PRODUCE A VACUUM SUBSTANTIALLY 25.85 INCHES OF MERCURY, SEALING OFF THE EVACUATED ENCLOSURE TO PREVENT THE ACCESS OF OXIDIZING ATMOSPHERE TO THE CLEANED MOLECULAR SURFACES TO BE JOINED IN FORMING THE COMPOSITE BODY, HEATING THE SEALED UNITARY BODY TO A PREDETERMINED TEMPERATURE TO DILATE THE MOLECULAR STRUCTURE OF AT LEAST ONE OF THE COMPOSITE PARTS, AND SUBJECTING THE HEATED UNITARY BODY TO WORKING PRESSURE TO DIFFUSE THE CLEANED MOLECULAR CONTACTING SURFACE TOGETHER AND FORM THE COMPOSITE BODY.

References Cited (Backward Citations)

US1152610A Cited
US1956818A Cited
US1886615A Cited
US2147407A Cited
US2093814A 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) 1959-08-14 1960-02-13 1960-08-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-08-14 1964-02-13 1964-08-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-08-14 1968-02-13 1968-08-14 $7700.00 Window Closed / Lapsed

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