Patent US2866725A successfully refreshed from Google Patents.
US2866725A
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Coated evaporating elements and method of utilizing same
Assignee: Continental Can Co Inc
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Filing: 1954-03-15
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Granted: 1958-12-30
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Expires: 1974-03-15
Abstract
No abstract record available.
Inventors
- 👤 Alexander Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:33
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/10; H05B3/12; H05B3/14; H05B3/148; C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/26; H01; H01B; H01B1/00; H01B1/20; H01B1/24; H01J; H01J37/00; H01J37/32; H01J37/34
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
114 words
THE METHOD OF PREPARING AN EVAPORATING ELEMENT FOR USE IN A VACUUM METALIZING APPARATUS COMPRISING THE APPLICATION OF A BINDER TO THE SURFACE OF A CARBON BASE, THE SUBSEQUENT PLIACING OF A SHEET OF A METAL SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN, MOLYBDENUM, TANTALUM AND NIOBIUM UPON SAID BINDER, ONE SURFACE OF SAID SHEET BEING THEN EXPOSED, THEN APPLYING SILICON PARTICLES TO SAID EXPOSED SURFACE, AND FINALLY RAISING THE TEMPERATURE OF SAID ELEMENT IN A VACUUM TO A TEMPERATURE SUFFICIENTLY HIGH THAT SAID METAL AND SILICON WILL COMBINE TO FORM A SILICIDE OF SAID METAL, SAID ELEMENT BEING HELD AT SAID TEMPERATURE FOR A PERIOD OF SUFFICIENT DURATION THAT EXCESS SILICON IS EVAPORATED.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |