US3001892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Evaporation method and apparatus
Assignee: General Electric Co
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Filing: 1958-03-26
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Granted: 1961-09-26
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Expires: 1978-03-26
Abstract
No abstract record available.
Inventors
- 👤 Lewis R Koller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:58
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/20; H01J9/22; H01J9/221
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
THE METHOD OF COATING THIN FILMS OF EVAPORABLE MATERIALS HAVING A HIGH DEGREE OF CRYSTAL PERFECTION UPON A HEATED SUBSTRATE WHICH METHOD COMPRISES: EXPOSING THE SURFACE OF SAID SUBSTRATE TO BE COATED TO THE INTERIOR OF AN AVACUABLE ENCLOSURE, HEATING A QUANTITY OF MATERIAL WITH WHICH SAID SUBSTRATE IS TO BE COATED WITHIN SAID SUBSTRATE TO A FIRST TEMPERATURE SUFFICIENT TO CAUSE THE EVOLUTION OF VAPORS THEREOF, AND SIMULTANEOUSLY AND, INDEPENDENTLY OF THE HEATING OF SAID QUANTITY OF MATERIAL, HEATING THE WALLS OF SAID ENCLOSURE, INCLUDING SAID SUBSTRATE, TO A SECOND
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) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |