US2665224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for vapor coating
Assignee: National Research Corp
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Filing: 1950-03-07
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Granted: 1954-01-05
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Expires: 1970-03-07
Abstract
No abstract record available.
Inventors
- 👤 Philip J Clough
- 👤 Nd Philip Godley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:31
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/56; C23C14/562; C23C14/54; C23C14/541
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A PROCESS FOR COATING A HEAT-SENSITIVE SUBSTRATE BY VACUUM-EVAPORATING ALUMINU AND CONDENSING ALUMINUM VAPORS ON THE SUBSTRATE, SAID PROCESS COMPRISING THE STEPS OF PROVIDING A SOURCE OF ALUMINUM IN A VACUUM CHAMBER, EVACUATING SAID CHAMBER, MELTING SAID ALUMINUM TO FORM A POOL OF MOLTEN ALUMINUM, HEATING SAID ALUMINUM VAPORS TO A TEMPERATURE SUCH THAT THE ALUMINUM VAPORS LEAVING SAID SOURCE HAVE A TEMPERATURE BETWEEN ABOUT 1300* C. AND ABOUT 1500* C., MOVING SAID SUBSTRATE PAST SAID SOURCE AT A SPEED ADJUSTED TO GIVE A SUBSTANTIALLY UNIFORMLY THICK COATING HAVIING A REFLECTANCE FOR VISIBLE LIGHT ON THE ORDER OF 90%, AND LIMITING THE RADIANT HEATING AREA, WHICH IS IN THE NEIGHBORHOOD OF SAID SOURCE AND
Claim 2
Dependent Claim
114 words
A PROCESS FOR COATING A HEAT-SENSITIVE SUBSTRATE BY VACUUM-EVAPORATING ALUMINU AND CONDENSING ALUMINUM VAPORS ON THE SUBSTRATE, SAID PROCESS COMPRISING THE STEPS OF PROVIDING A SOURCE OF ALUMINUM IN A VACUUM CHAMBER, EVACUATING SAID CHAMBER, MELTING SAID ALUMINUM TO FORM A POOL OF MOLTEN ALUMINUM, HEATING SAID ALUMINUM VAPORS TO A TEMPERATURE SUCH THAT THE ALUMINUM VAPORS LEAVING SAID SOURCE HAVE A TEMPERATURE BETWEEN ABOUT 1300* C. AND ABOUT 1500* C., MOVING SAID SUBSTRATE PAST SAID SOURCE AT A SPEED ADJUSTED TO GIVE A SUBSTANTIALLY UNIFORMLY THICK COATING HAVIING A REFLECTANCE FOR VISIBLE LIGHT ON THE ORDER OF 90%, AND LIMITING THE RADIANT HEATING AREA, WHICH IS IN THE NEIGHBORHOOD OF SAID SOURCE AND
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) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |