Patent US3270381A successfully refreshed from Google Patents.
US3270381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of ductile foil
Assignee: Temescal Metallurgical Corp
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Filing: 1965-08-04
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Granted: 1966-09-06
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Expires: 1985-08-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Hugh R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:36
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/0005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PROCESS FOR THE MANUFACTURE OF DENSE DUCTILE METALLIC FOIL BY VACUUM EXAPORATION COMPRISING, VAPORIZING A METAL BEARING COATING MATERIAL WITHIN A VACUUM, CONDENSING AT LEAST A PROTION OF THE METALLIC CONTENT OF THE VAPORIZED COATING MATERIAL UPON A SUBSTRATE WITHIN THE VACUUM, MAINTAINING THE TEMPERATURE OF THE SUBSTRATE ABOVE A MINIMUM SUBSTRATE TEMPERATURE OF AT LEAST ABOUT 25 PERCENT OF THE MELTING POINT OF THE CONDENSED MATERIAL IN DEGREES KELVIN, AND REMOVING THE CONDENSED MATERIAL FROM THE SUBSTRATE IN THE FORM OF A DENSE DUCTILE METALLIC FOIL.
Claim 2
Dependent Claim
88 words
A PROCESS FOR THE MANUFACTURE OF DENSE DUCTILE METALLIC FOIL BY VACUUM EXAPORATION COMPRISING, VAPORIZING A METAL BEARING COATING MATERIAL WITHIN A VACUUM, CONDENSING AT LEAST A PROTION OF THE METALLIC CONTENT OF THE VAPORIZED COATING MATERIAL UPON A SUBSTRATE WITHIN THE VACUUM, MAINTAINING THE TEMPERATURE OF THE SUBSTRATE ABOVE A MINIMUM SUBSTRATE TEMPERATURE OF AT LEAST ABOUT 25 PERCENT OF THE MELTING POINT OF THE CONDENSED MATERIAL IN DEGREES KELVIN, AND REMOVING THE CONDENSED MATERIAL FROM THE SUBSTRATE IN THE FORM OF A DENSE DUCTILE METALLIC FOIL.
References Cited (Backward Citations)
US2171599A
Cited
US2405662A
Cited
US2639490A
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US2665226A
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US2701901A
Cited
US3024506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |