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US3019129A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus and process for coating

Assignee: National Research Corp
•
Filing: 1959-08-10
•
Granted: 1962-01-30
•
Expires: 1979-08-10
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Abstract

No abstract record available.

Inventors

  • 👤 Arthur G Walsh

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 06:42
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/223; C23C14/24

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 133 words
APPARATUS FOR COATING A SHEET MATERIAL WITH ALUMINUM WHEREIN ALUMINUM IS VAPORIZED IN VACUUM AND CONDENSED ON SAID SHEET MATERIAL, SAID APPARATUS COMPRISING A VACUUM CHAMBER, MEANS FOR INTRODUCING SAID SHEET MATERIAL INTO SAID CHAMBER, MEANS PROVIDING A SOURCE OF ALUMINUM VAPORS WITHIN SAID CHAMBER, SAID SOURCE MEANS COMPRISING A CYLINDRICAL SUPPORT HAVING ITS AXIS HORIZONTALLY POSITIONED IN SAID CHAMBER AND HAVING AN INNER SURFACE FOR SUPPORTING MOLTEN ALUMINUM, MEANS FOR ROTATING SAID SUPPORT AROUND ITS AXIS TO HOLD THE MOLTEN ALUMINUM TO THE SURFACE OF SAID SUPPORT BY CENTRIFUGAL FORCE, MEANS FOR HEATING SAID MOLTEN ALUMINUM TO VAPORIZATION TEMPERATURE, AND MEANS FOR MOVING THE SUBSTRATE TO BE COATED THROUGH SAID ALUMINUM SOURCE GENERALLY PARALLEL TO THE AXIS OF ROTATION AND DWITHIN THE CYLINDER OR REVOLUTION DEFINED BY THE ROTATING MOLTEN ALUMINUM SURFACE.

References Cited (Backward Citations)

DE760543C Cited
US2746831A Cited
FR1068587A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-01-29 1965-07-31 1966-01-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-01-29 1969-07-31 1970-01-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-01-29 1973-07-31 1974-01-30 $7700.00 Window Closed / Lapsed

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