US3111598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Matrix for a character display tube
Assignee: General Dynamics Corp
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Filing: 1960-08-31
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Granted: 1963-11-19
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Expires: 1980-08-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas H Tatham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:36
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/12; H01J31/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
207 words
IN COMBINATION, A CATHODE RAY DISPLAY TUBE INCLUDING AN EVACUATED ENVELOPE; AN ELECTRON GUN MOUNTED WITHIN AND AT ONE END OF SAID ENVELOPE; A SCREEN POSITIONED WITHIN SAID ENVELOPE AT THE OPPOSITE END THEREOF; A CHARACTER SHAPING MATRIX MOUNTED WITHIN SAID ENVELOPE, SAID MATRIX COMPRISING A MEMBER HAVING FIRST, SECOND AND THIRD APERTURES THEREIN, SAID APERTURES INDIVIDUALLY DEFINING FIRST, SECOND AND THIRD SEGMENTS OF CHARACTERS OR SYMBOLS, RESPECTIVELY, SAID FIRST SEGMENT INDIVIDUALLY DEFINING PREDETERMINED SEGMENTS OF FIRST AND SECOND DIFFERENT CHARACTERS OR SYMBOLS, SAID FIRST AND SECOND SEGMENTS DEFINING WHEN PLACED UPON SAID SCREEN IN PROPER COOPERATING RELATIONSHIP AT LEAST A PORTION OF SAID FIRST CHARACTER, SAID FIRST AND THIRD SEGMENTS DEFINING WHEN PLACED UPON SAID SCREEN IN PROPER COOPERATING RELATIONSHIP AT LEAST A PORTION OF SAID SECOND CHARACTER, AND DISPLAY MEANS FOR SEQUENTIALLY SELECTING SAID FIRST AND SECOND SEGMENTS IN RESPONSE TO THE APPLICATION OF A FIRST CODE GROUP THERETO, SAID DISPLAY MEANS BEING RESPONSIVE TO A SECOND CODE GROUP FOR SEQUENTIALLY SELECTING SAID FIRST AND THIRD SEGMENTS; SAID DISPLAY MEANS INCLUDING MEANS FOR SELECTIVELY PLACING SAID SEGMENTS UPON SAID SCREEN IN SAID PROPER COOPERATING RELATIONSHIPS WHEREBY SAID SEGMENTS COMPOSITELY FORM SAID FIRST OR SECOND CHARACTER OR SYMBOL IN ACCORDANCE WITH THE CODE GROUP APPLIED THERETO.
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) | 1966-11-18 | 1967-05-20 | 1967-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-18 | 1971-05-20 | 1971-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-18 | 1975-05-20 | 1975-11-19 | $7700.00 | Window Closed / Lapsed |