US3324326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron devices with fiberoptic members
Assignee: Individual
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Filing: 1965-10-21
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Granted: 1967-06-06
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Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Edward E Sheldon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:17
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/04; G02B6/06; A; A61; A61B; A61B1/00; A61B1/04; A61B1/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A VACUUM TUBE COMPRISING A PLURALITY OF MEMBERS CONDUCTING RADIATION BY INTERNAL REFLECTION, ESSENTIALLY EACH OF SAID MEMBERS HAVING A CORE OF MATERIAL TRANSPARENT TO SAID RADIATION AND OF A HIGH INDEX OF REFRACTION AND BEING PROVIDED WITH LIGHT OPAQUE COATING MEANS TO PREVENT THE ESCAPE OF SAID RADIATION FROM ONE OF SAID MEMBERS TO ANOTHER, SAID COATING COMPRISING A MATERIAL OF A LOWER INDEX OF REFRACTION THAN SAID CORE, SAID MEMBERS HAVING ONE ENDFACE WITHIN SAID TUBE, SAID VACUUM TUBE COMPRISING FURTHERMORE A SCREEN REACTIVE TO SAID RADIATION AND RECEIVING SAID RADIATION THROUGH SAID MEMBERS, SAID SCREEN BEING MOUNTED ON SAID ENDFACES WITHIN SAID TUBE OF ALL OF SAID MEMBERS.
Claim 2
Dependent Claim
111 words
A VACUUM TUBE COMPRISING A PLURALITY OF MEMBERS CONDUCTING RADIATION BY INTERNAL REFLECTION, ESSENTIALLY EACH OF SAID MEMBERS HAVING A CORE OF MATERIAL TRANSPARENT TO SAID RADIATION AND OF A HIGH INDEX OF REFRACTION AND BEING PROVIDED WITH LIGHT OPAQUE COATING MEANS TO PREVENT THE ESCAPE OF SAID RADIATION FROM ONE OF SAID MEMBERS TO ANOTHER, SAID COATING COMPRISING A MATERIAL OF A LOWER INDEX OF REFRACTION THAN SAID CORE, SAID MEMBERS HAVING ONE ENDFACE WITHIN SAID TUBE, SAID VACUUM TUBE COMPRISING FURTHERMORE A SCREEN REACTIVE TO SAID RADIATION AND RECEIVING SAID RADIATION THROUGH SAID MEMBERS, SAID SCREEN BEING MOUNTED ON SAID ENDFACES WITHIN SAID TUBE OF ALL OF SAID MEMBERS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |