Patent US2930879A successfully refreshed from Google Patents.
US2930879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vaporization of metals
Assignee: New York Air Brake LLC
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Filing: 1957-12-16
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Granted: 1960-03-29
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Expires: 1977-12-16
Abstract
No abstract record available.
Inventors
- 👤 Thomas L Scatchard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:11
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
APPARATUS FOR COATING A BASE IN A VACUUM BY THE PROCESS OF DEPOSITING A VAPORIZED METAL, COMPRISING A CONDUCTOR HAVING A COMPOUND SECTION CONSISTING OF AN ELECTRICALLY CONDUCTING HEATER FILAMENT AND A CONTIGUOUS LAYER OF THE COATING METAL, AND ANOTHER SECTION CONSISTING ONLY OF THE FILAMENT, A SOURCE OF ELECTRICAL ENERGY, AN ELECTRICAL CIRCUIT INCLUDING THE SOURCE AND AT LEAST A PORTION OF THE LENGTH OF BOTH CONDUCTOR SECTIONS AND MEANS FOR FEEDING THE CONDUCTOR LENGTHWISE IN THE DIRECTION OF THE FILAMENT SECTION.
Claim 2
Dependent Claim
83 words
APPARATUS FOR COATING A BASE IN A VACUUM BY THE PROCESS OF DEPOSITING A VAPORIZED METAL, COMPRISING A CONDUCTOR HAVING A COMPOUND SECTION CONSISTING OF AN ELECTRICALLY CONDUCTING HEATER FILAMENT AND A CONTIGUOUS LAYER OF THE COATING METAL, AND ANOTHER SECTION CONSISTING ONLY OF THE FILAMENT, A SOURCE OF ELECTRICAL ENERGY, AN ELECTRICAL CIRCUIT INCLUDING THE SOURCE AND AT LEAST A PORTION OF THE LENGTH OF BOTH CONDUCTOR SECTIONS AND MEANS FOR FEEDING THE CONDUCTOR LENGTHWISE IN THE DIRECTION OF THE FILAMENT SECTION.
References Cited (Backward Citations)
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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) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |