US3308327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode ray tube
Assignee: RCA Corp
•
Filing: 1964-06-12
•
Granted: 1967-03-07
•
Expires: 1984-06-12
Abstract
No abstract record available.
Inventors
- 👤 Terry M Shrader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:09
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/06; H01J29/07; H01J29/073
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A CATHODE RAY TUBE COMPRISING: (A) AN ENVELOPE INCLUDING A FACEPLATE PANEL HAVING A GENERALLY RECTANGULAR FACEPLATE PORTION AND A PERIPHERAL SIDE WALL PORTION, SAID FACEPLATE PORTION BEING DISPOSED PERPENDICULAR TO A CENTRAL AXIS AND HAVING MAJOR AND MINOR SURFACE-BISECTING AXES, (B) A PLURALITY OF ELECTRODE SUPPORT STUDS ATTACHED TO SAID PANEL SIDE WALL AND EXTENDING INWARDLY FROM THE INTERIOR SURFACE THEREOF, (C) AN ELECTRODE DISPOSED ADJACENT TO AND SUBSTANTIALLY CO-EXTENSIVE WITH SAID FACEPLATE PORTION AND INCLUDING A GENERALLY RECTANGULAR FRAME, AND (D) A PLURALITY OF LEAF SPRING SUPPORT STRAPS ATTACHED AT THEIR ONE ENDS TO SAID ELECTRODE FRAME, SAID STRAPS HAVING APERTURES NEAR THEIR FREE ENDS INTO WHICH
Claim 2
Dependent Claim
109 words
A CATHODE RAY TUBE COMPRISING: (A) AN ENVELOPE INCLUDING A FACEPLATE PANEL HAVING A GENERALLY RECTANGULAR FACEPLATE PORTION AND A PERIPHERAL SIDE WALL PORTION, SAID FACEPLATE PORTION BEING DISPOSED PERPENDICULAR TO A CENTRAL AXIS AND HAVING MAJOR AND MINOR SURFACE-BISECTING AXES, (B) A PLURALITY OF ELECTRODE SUPPORT STUDS ATTACHED TO SAID PANEL SIDE WALL AND EXTENDING INWARDLY FROM THE INTERIOR SURFACE THEREOF, (C) AN ELECTRODE DISPOSED ADJACENT TO AND SUBSTANTIALLY CO-EXTENSIVE WITH SAID FACEPLATE PORTION AND INCLUDING A GENERALLY RECTANGULAR FRAME, AND (D) A PLURALITY OF LEAF SPRING SUPPORT STRAPS ATTACHED AT THEIR ONE ENDS TO SAID ELECTRODE FRAME, SAID STRAPS HAVING APERTURES NEAR THEIR FREE ENDS INTO WHICH
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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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |