US2996412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Art of depositing metals
Assignee: Continental Can Co Inc
•
Filing: 1958-10-10
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Granted: 1961-08-15
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Expires: 1978-10-10
Abstract
No abstract record available.
Inventors
- 👤 Alexander Irene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:05
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
THE METHOD OF EFFECTING DEPOSITION IN VACUUM OF ALUMINUM AND LIKE MATERIALS HAVING LOW VAPOR PRESSURE AT ELEVATED TEMPERATURES, BY EXHIBITING THE SAME UPON A VAPORIZER ELEMENT, THE INVENTION WHICH COMPRISES HEATING A PART OF THE TOP SURFACE OF THE VAPORIZER ELEMENT FOR A CENTRAL PORTION OF THE WIDTH THEREOF MORE HIGHLY THAN ADJACENT SIDE PORTIONS THEREOF WHEREBY TO PRODUCE TEMPERATURE GRADIENTS WITH THE HIGHLY HEATED PORTION AT A TEMPERATURE FOR RAPID EVAPORATION OF THE MATERIAL AND THE SIDE PORTIONS AT TEMPERATURE BELOW THAT OF SUBSTANTIAL EVAPORATION AT THE PREVAILING PRESSURE, SUPPLYING THE MATERIAL TO BE DEPOSITED TO THE SAID HIGHLY HEATED PORTION OF THE SURFACE WHEREBY THE SAME IS MELTED, EFFECTING DISTRIBUTION OF THE MELTED MATERIAL AS A FILM OVER SAID HIGHLY HEATED CENTRAL PORTION OF THE WIDTH OF THE SURFACE FOR EFFECTING EVAPORATION THEREOF FROM THE DISTRIBUTED FILM WHEREBY THE LESS HIGHLY HEATED SIDE PORTIONS RESTRICT CREEPAGE OF THE FILM TOWARD THE SIDE EDGES OF THE ELEMENT, AND EFFECTING DEPOSITION OF THE VAPOR UPON THE ARTICLE.
Claim 2
Independent Claim
168 words
THE METHOD OF EFFECTING DEPOSITION IN VACUUM OF ALUMINUM AND LIKE MATERIALS HAVING LOW VAPOR PRESSURE AT ELEVATED TEMPERATURES, BY EXHIBITING THE SAME UPON A VAPORIZER ELEMENT, THE INVENTION WHICH COMPRISES HEATING A PART OF THE TOP SURFACE OF THE VAPORIZER ELEMENT FOR A CENTRAL PORTION OF THE WIDTH THEREOF MORE HIGHLY THAN ADJACENT SIDE PORTIONS THEREOF WHEREBY TO PRODUCE TEMPERATURE GRADIENTS WITH THE HIGHLY HEATED PORTION AT A TEMPERATURE FOR RAPID EVAPORATION OF THE MATERIAL AND THE SIDE PORTIONS AT TEMPERATURE BELOW THAT OF SUBSTANTIAL EVAPORATION AT THE PREVAILING PRESSURE, SUPPLYING THE MATERIAL TO BE DEPOSITED TO THE SAID HIGHLY HEATED PORTION OF THE SURFACE WHEREBY THE SAME IS MELTED, EFFECTING DISTRIBUTION OF THE MELTED MATERIAL AS A FILM OVER SAID HIGHLY HEATED CENTRAL PORTION OF THE WIDTH OF THE SURFACE FOR EFFECTING EVAPORATION THEREOF FROM THE DISTRIBUTED FILM WHEREBY THE LESS HIGHLY HEATED SIDE PORTIONS RESTRICT CREEPAGE OF THE FILM TOWARD THE SIDE EDGES OF THE ELEMENT, AND EFFECTING DEPOSITION OF THE VAPOR UPON THE ARTICLE.
References Cited (Backward Citations)
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US869013A
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US2095769A
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US2557530A
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US2546142A
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US2756166A
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US2719094A
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US2822301A
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US2772318A
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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) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |