Patent US4688465A successfully refreshed from Google Patents.
Patent US2702274A successfully refreshed from Google Patents.
US2702274A
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Method of making an electrode screen by cathode sputtering
Assignee: RCA Corp
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Filing: 1951-04-02
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Granted: 1955-02-15
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Expires: 1971-04-02
Abstract
No abstract record available.
Inventors
- 👤 Harold B Law
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:39
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/14; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/43; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31623
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A METHOD OF MAKING AN ELECTRODE IN THE FORM OF A FINE MESH METAL SCREEN SUPPORTED ON A THIN SHEET OF INSULATING MATERIAL, SAID METHOD COMPRISING, DEPOSITING A METALLIC LAYER ON THE SURFACE OF THE INSULATING MATERIAL BY THE PROCESS OF CATHODE SPUTTERING, MASKING A PORTION OF SAID METALLIC LAYER WITH A MASKING MEMBER
Claim 2
Independent Claim
54 words
A METHOD OF MAKING AN ELECTRODE IN THE FORM OF A FINE MESH METAL SCREEN SUPPORTED ON A THIN SHEET OF INSULATING MATERIAL, SAID METHOD COMPRISING, DEPOSITING A METALLIC LAYER ON THE SURFACE OF THE INSULATING MATERIAL BY THE PROCESS OF CATHODE SPUTTERING, MASKING A PORTION OF SAID METALLIC LAYER WITH A MASKING MEMBER
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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) | 1958-02-14 | 1958-08-16 | 1959-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-14 | 1962-08-16 | 1963-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-14 | 1966-08-16 | 1967-02-15 | $7700.00 | Window Closed / Lapsed |