Patent US3350591A successfully refreshed from Google Patents.
US3350591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indium doped pickup tube target
Assignee: RCA Corp
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Filing: 1961-02-21
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Granted: 1967-10-31
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Expires: 1981-02-21
Abstract
No abstract record available.
Inventors
- 👤 Robert L Van Asselt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:16
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/41; H01J29/413; H10; H10P; H10P95/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
AN TELEVISION PICKUP TUBE COMPRISING AN EVACUATED ENVELOPE HAVING AN ELECTRON GUN IN ONE END THEREOF FOR PRODUCING AN ELECTRON BEAM DIRECTED ALONG A FIRST PATH, A PHOTOEMISSIVE CATHODE IN THE OTHER END OF SAID ENVELOPE FOR PRODUCING A PHOTOELECTRON IMAGE DIRECTED ALONG A SECOND PATH, AND A TARGET ELEC TRODE POSITIONED IN THE SAID FIRST PATH OF SAID ELECTRODE BEAM AND IN THE SAID SECOND PATH OF SAID PHOTOELECTRON IMAGE, SAID TARGET ELECTRODE COMPRISING A FIRST MATERIAL OF ALUMINUM OXIDE AND A SECOND MATERIAL OF INDIUM.
References Cited (Backward Citations)
US2493539A
Cited
US2582843A
Cited
US2887632A
Cited
US2848358A
Cited
US2888372A
Cited
US2967344A
Cited
US2922907A
Cited
US3069578A
Cited
US3090881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |