Patent US3152246A successfully refreshed from Google Patents.
US3152246A
Expired / Lapsed
US
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Device for depositing metal layers from vapour in vacuo
Assignee: US Philips Corp
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Filing: 1961-03-02
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Granted: 1964-10-06
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Expires: 1981-03-02
Abstract
No abstract record available.
Inventors
- 👤 Albertus Johannes Van Deuren
- 👤 Marsmans Johannes Gerardus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:59
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/26; H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A FILAMENT ADAPTED FOR VAPORIZING METAL PROVIDED THEREON, COMPRISING AN ELONGATED ELECTRICALLY CONDUCTIVE STRANDED WIRE ELEMENT HAVING EXTREMITIES FOR CONNECTION TO CURRENT-SUPPLY TERMINALS AND BETWEEN THE EXTREMITIES AT LEAST TWO, SUBSTANTIALLY STRAIGHT, SPACED VERTICAL PORTIONS EACH JOINED AT ITS UPPER END IN A SHARP BEND TO A REVERSELY-BENT PORTION EXTENDING SUBSTANTIALLY PARALLEL TO THE ADJACENT VERTICAL PORTION AND SPACED THEREFROM A SMALL DISTANCE AT WHICH THE INTERVENING SPACE BECOMES FILLED WITH MOLTEN METAL WHEN THE FILAMENT IS ENERGIZED DURING THE VAPORIZATION, AND A GENERALLY TRANSVERSE PORTION CONNECTING TOGETHER THE LOWER ENDS OF THE TWO REVERSELY-BENT PORTIONS.
Claim 2
Dependent Claim
96 words
A FILAMENT ADAPTED FOR VAPORIZING METAL PROVIDED THEREON, COMPRISING AN ELONGATED ELECTRICALLY CONDUCTIVE STRANDED WIRE ELEMENT HAVING EXTREMITIES FOR CONNECTION TO CURRENT-SUPPLY TERMINALS AND BETWEEN THE EXTREMITIES AT LEAST TWO, SUBSTANTIALLY STRAIGHT, SPACED VERTICAL PORTIONS EACH JOINED AT ITS UPPER END IN A SHARP BEND TO A REVERSELY-BENT PORTION EXTENDING SUBSTANTIALLY PARALLEL TO THE ADJACENT VERTICAL PORTION AND SPACED THEREFROM A SMALL DISTANCE AT WHICH THE INTERVENING SPACE BECOMES FILLED WITH MOLTEN METAL WHEN THE FILAMENT IS ENERGIZED DURING THE VAPORIZATION, AND A GENERALLY TRANSVERSE PORTION CONNECTING TOGETHER THE LOWER ENDS OF THE TWO REVERSELY-BENT PORTIONS.
References Cited (Backward Citations)
US2569852A
Cited
FR1165496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |