US2731366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of vapor depositing coatings of aluminum
Assignee: Libbey Owens Ford Glass Co
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Filing: 1951-06-21
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Granted: 1956-01-17
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Expires: 1971-06-21
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Weinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:22
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
THE METHOD OF PROVIDING A SMOOTH UNIFORM COATING OF ALUMINUM ON A SURFACE, WHICH CONSISTS IN PROVIDING A FILAMENT SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN, MOLYBEDENUM, TANTALUM AND COLUMBIUM, PLACING ON SAID FILAMENT AN ALUMINUM ALLOY CONTAINING BETWEEN 0.25% AND 10% TUNGSTEN AND THE BALANCE SUBSTANTIALLY ALUMINUM, SAID TUNGSTEN COACTING WITH SAID ALUMINUM AND SAID FILAMENT O RETARD THE SPEED AT WHICH THE ALUMINUM SPREADS OUT UPON THE FILAMENT WHEN HEATED PRELIMINARILY TO BEING EVAPORATED, AND HEATING SAID ALUMINUM ALLOY TO EVAPORATE THE ALUMINUM COMPONENT THEREOF FROM SAID FILAMENT ONT A SURFACE TO BE COATED.
Claim 2
Independent Claim
96 words
THE METHOD OF PROVIDING A SMOOTH UNIFORM COATING OF ALUMINUM ON A SURFACE, WHICH CONSISTS IN PROVIDING A FILAMENT SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN, MOLYBEDENUM, TANTALUM AND COLUMBIUM, PLACING ON SAID FILAMENT AN ALUMINUM ALLOY CONTAINING BETWEEN 0.25% AND 10% TUNGSTEN AND THE BALANCE SUBSTANTIALLY ALUMINUM, SAID TUNGSTEN COACTING WITH SAID ALUMINUM AND SAID FILAMENT O RETARD THE SPEED AT WHICH THE ALUMINUM SPREADS OUT UPON THE FILAMENT WHEN HEATED PRELIMINARILY TO BEING EVAPORATED, AND HEATING SAID ALUMINUM ALLOY TO EVAPORATE THE ALUMINUM COMPONENT THEREOF FROM SAID FILAMENT ONT A SURFACE TO BE COATED.
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) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |