Patent US4434759A successfully refreshed from Google Patents.
Patent US3019129A successfully refreshed from Google Patents.
US3019129A
Expired / Lapsed
US
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Apparatus and process for coating
Assignee: National Research Corp
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Filing: 1959-08-10
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Granted: 1962-01-30
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Expires: 1979-08-10
Abstract
No abstract record available.
Inventors
- 👤 Arthur G Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:51
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)
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 |