Patent US2654940A successfully refreshed from Google Patents.
US2654940A
Expired / Lapsed
US
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Method of mounting screens for cathode-ray tubes
Assignee: RCA Corp
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Filing: 1950-06-10
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Granted: 1953-10-13
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Expires: 1970-06-10
Abstract
No abstract record available.
Inventors
- 👤 Harold B Law
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:04
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/025; H01J19/00; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0019; H01J2893/0022; Y; Y10; Y10S; Y10S29/00; Y10S29/042; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49861; Y10T29/49863; Y10T29/49865; Y10T29/49892
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2428825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |