US2654852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoconductive target for cathode-ray devices
Assignee: RCA Corp
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Filing: 1951-06-01
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Granted: 1953-10-06
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Expires: 1971-06-01
Abstract
No abstract record available.
Inventors
- 👤 Robert R Goodrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:24
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/45
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
34 words
A CATHODE RAY CAMERA TUBE COMPRISING AN EVACUATED ENVELOPE CONTAINING AN ELECTRON GUN AND A LIGHT-SENSITIVE TARGET ASSEMBLY, SAID TARGET ASSEMBLY COMPRISING A LIGHT-TRANSPARENT SUPPORTING MEMBER, A LIGHT-TRANSPARENT ELECTRICALLY-CONDUCTIVE FILM ON SAID SUPPORTING MEM-
References Cited (Backward Citations)
US2281474A
Cited
US2335705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |