Patent US3243645A successfully refreshed from Google Patents.
US3243645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Post deflection focusing cathode ray tube for color television images of high brightness and low raster distortion
Assignee: Paramount Pictures Corp
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Filing: 1962-08-01
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Granted: 1966-03-29
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Expires: 1982-08-01
Abstract
No abstract record available.
Inventors
- 👤 Parnes Robert
- 👤 Petro John
- 👤 Raibourn Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:15
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A CATHODE RAY TUBE COMPRISING AN ENVELOPE AND AN ELECTRON GUN HAVING A CATHODE AND FIRST AND SECOND ACCELERATING ELECTRODES, SAID TUBE FURTHER COMPRISING A TARGET SPACED FROM SAID GUN, A FOCUSING GRID INTERMEDIATE SAID SECOND ACCELERATING ELECTRODE AND TARGET, A FIRST TUBULAR ELECTRODE PARTLY IN OVERLAPPING RELATION WITH SAID SECOND ACCELERATING ELECTRODE AND EXTENDING FROM SAID SECOND ACCELERATING ELECTRODE TOWARD SAID GRID, A SECOND TUBULAR ELECTRODE EXTENDING FROM SAID GRID TOWARD SAID ACCELERAT-
Claim 2
Dependent Claim
74 words
A CATHODE RAY TUBE COMPRISING AN ENVELOPE AND AN ELECTRON GUN HAVING A CATHODE AND FIRST AND SECOND ACCELERATING ELECTRODES, SAID TUBE FURTHER COMPRISING A TARGET SPACED FROM SAID GUN, A FOCUSING GRID INTERMEDIATE SAID SECOND ACCELERATING ELECTRODE AND TARGET, A FIRST TUBULAR ELECTRODE PARTLY IN OVERLAPPING RELATION WITH SAID SECOND ACCELERATING ELECTRODE AND EXTENDING FROM SAID SECOND ACCELERATING ELECTRODE TOWARD SAID GRID, A SECOND TUBULAR ELECTRODE EXTENDING FROM SAID GRID TOWARD SAID ACCELERAT-
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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |