US2793178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of providing insulator with multiplicity of conducting elements
Assignee: RCA Corp
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Filing: 1953-04-28
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Granted: 1957-05-21
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Expires: 1973-04-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles H F Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:10
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/41; H01J29/413; H01J29/416; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49011
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
THE METHOD OF PROVIDING AN INSULATING PLATE HAVING A PLURALITY OF OPENINGS WITH METAL PLUGS WITHIN SAID OPENINGS COMPRISING THE STEPS OF COATING THE SURFACES OF SAID PLATE AND THE WALLS OF SAID OPENINGS WITH A LAYER OF A FIRST METAL, DEPOSITING A LAYER OF A SECOND METAL ON SAID FIRST METAL AND FILLING SAID OPENINGS WITH SAID SECOND METAL, REMOVING SAID LAYERS OF SAID FIRST AND SECOND FROM THE SURFACES OF SAID INSULATING PLATE AND LEAVING SAID METALS IN SAID OPENINGS, AND RAISING THE LEVEL OF THE METAL IN SAID OPENINGS ABOVE THE SURFACES OF SAID INSULATING PLATE.
Claim 2
Independent Claim
99 words
THE METHOD OF PROVIDING AN INSULATING PLATE HAVING A PLURALITY OF OPENINGS WITH METAL PLUGS WITHIN SAID OPENINGS COMPRISING THE STEPS OF COATING THE SURFACES OF SAID PLATE AND THE WALLS OF SAID OPENINGS WITH A LAYER OF A FIRST METAL, DEPOSITING A LAYER OF A SECOND METAL ON SAID FIRST METAL AND FILLING SAID OPENINGS WITH SAID SECOND METAL, REMOVING SAID LAYERS OF SAID FIRST AND SECOND FROM THE SURFACES OF SAID INSULATING PLATE AND LEAVING SAID METALS IN SAID OPENINGS, AND RAISING THE LEVEL OF THE METAL IN SAID OPENINGS ABOVE THE SURFACES OF SAID INSULATING PLATE.
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) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |