Patent US2436983A successfully refreshed from Google Patents.
US2432908A
Expired / Lapsed
US
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Cathode-ray target and method of manufacture
Assignee: RCA Corp
•
Filing: 1942-07-22
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Granted: 1947-12-16
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Expires: 1962-07-22
Abstract
No abstract record available.
Inventors
- 👤 Humboldt W Leverenz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:46
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/14; C; C09; C09K; C09K9/00
Claims Analysis
Total Claims: 0
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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) | 1950-12-15 | 1951-06-16 | 1951-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-15 | 1955-06-16 | 1955-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-15 | 1959-06-16 | 1959-12-16 | $7700.00 | Window Closed / Lapsed |