Patent US2756166A successfully refreshed from Google Patents.
US2756166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum metallizing and apparatus therefor
Assignee: Continental Can Co Inc
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Filing: 1951-01-27
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Granted: 1956-07-24
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Expires: 1971-01-27
Abstract
No abstract record available.
Inventors
- 👤 Alexander Paul
- 👤 Baxter Alexander Samuel
- 👤 Boston Malcolm Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:00
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
FOR USE IN AN APPARATUS FOR DEPOSITING METAL ONTO A SURFACE AND HAVING AN EVACUATED CHAMBER SURROUNDING THE SAID SURFACE AND AN EVAPORATING HEATER IN SAID CHAMBER FOR CONTACT WITH THE METAL TO BE DEPOSITED, THE INVENTION WHICH CONSISTS IN HAVING SAID HEATER COMPOSED OF A CARBON CORE AND AN OUTER COATING LAYER OF COMPOSITE FREE METAL AND METAL CARBIDE UPON SAID CORE, SAID LAYER BEING SELECTED FROM THE GROUP CONSISTING OF TITANIUM CARBIDE CONTAINING FREE TITANIUM METAL AND VANADIUM CARBIDE CONTAINING FREE VANADIUM METAL, SAID OUTER LAYER ADJACENT SAID CARBON CORE BEING RICH IN THE CARBIDE AND POOR
Claim 2
Dependent Claim
99 words
FOR USE IN AN APPARATUS FOR DEPOSITING METAL ONTO A SURFACE AND HAVING AN EVACUATED CHAMBER SURROUNDING THE SAID SURFACE AND AN EVAPORATING HEATER IN SAID CHAMBER FOR CONTACT WITH THE METAL TO BE DEPOSITED, THE INVENTION WHICH CONSISTS IN HAVING SAID HEATER COMPOSED OF A CARBON CORE AND AN OUTER COATING LAYER OF COMPOSITE FREE METAL AND METAL CARBIDE UPON SAID CORE, SAID LAYER BEING SELECTED FROM THE GROUP CONSISTING OF TITANIUM CARBIDE CONTAINING FREE TITANIUM METAL AND VANADIUM CARBIDE CONTAINING FREE VANADIUM METAL, SAID OUTER LAYER ADJACENT SAID CARBON CORE BEING RICH IN THE CARBIDE AND POOR
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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) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |