US3146368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode-ray tube with color dots spaced by light absorbing areas
Assignee: Rauland Borg Corp
•
Filing: 1961-04-04
•
Granted: 1964-08-25
•
Expires: 1981-04-04
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Fiore
- 👤 Sam H Kaplan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:03
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/30; H01J29/32; H01J29/327; H01J29/322; H01J9/00; H01J9/20; H01J9/22; H01J9/227
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
IN COMBINATION, A MULTI-COLOR SCREEN AND A MULTIAPERTURED COLOR-SELECTION ELECTRODE FOR COLOR REPRODUCING CATHODE-RAY TUBES, SAID IMAGE SCREEN INCLUDING A PLURALITY OF INTERSPERSED GROUP OF ELEMENTAL PHOSPHOR AREAS, EACH OF SAID ELEMENTAL PHOSPHOR AREAS BEING SPACED FROM ALL ADJACENT SUCH AREAS BY INTERMEDIATE LIGHT ABSORBING AREAS; AND SAID COLOR-SELECTION ELECTRODE INCLUDING A PLURALITY OF APERTURES, INDIVIDUALLY LARGER THAN SAID ELEMENTAL PHOSPHOR AREAS, FOR SELECTIVELY DIRECTING ELECTRON BEAM COMPONENTS ONTO PHOSPHOR AREAS OF RESPECTIVE ONES OF SAID GROUPS.
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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |