US3340419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric discharge tubes
Assignee: Rank Precision Industries Ltd
•
Filing: 1964-04-15
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Granted: 1967-09-05
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Expires: 1984-04-15
Abstract
No abstract record available.
Inventors
- 👤 Starr Arthur Tisso
- 👤 Stillwell Peter Frederic Cryer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:47
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/12; H01J31/128; H01J29/00; H01J29/46; H01J29/48; H01J29/50; H01J2229/00; H01J2229/48; H01J2229/50; H01J2229/507
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A MATRIX ARRAY FOR PRODUCING ELECTRON BEAMS IN SPATIAL ARRANGEMENT DETERMINABLE BY INPUT SIGNALS IN AN ELECTRIC DISCHARGE TUBE, SAID MATRIX ARRAY COMPRISING: A PLURALITY OF ELECTRICALLY SEPARATE ELECTRON GENERATORS INCLUDING METAL PINS HAVING DEPOSITED ON THE TIPS THEREOF ELECTRON EMISSIVE MATERIAL RESPONSIVE TO HEAT AND AN ELECTRICALLY ENERGIZABLE HEATING COIL SURROUNDING SAID METAL PINS; MODULATOR MEANS FOR FORMING A PLURALITY OF ELEMENTAL BEAMS OF ELECTRONS EMITTED FROM SAID GENERATORS; HEAT CONSERVING MEANS SURROUNDING SAID GENERATORS; AND, CONNECTING MEANS FOR ELECTRICALLY CONNECTING SAID ELECTRON GENERATORS TO SEPARATE ELECTRICAL ACTIVATION SOURCES WHEREBY SAID GENERATORS MAY BE SELECTIVELY RENDERED ACTIVE OR INACTIVE.
Claim 2
Dependent Claim
100 words
A MATRIX ARRAY FOR PRODUCING ELECTRON BEAMS IN SPATIAL ARRANGEMENT DETERMINABLE BY INPUT SIGNALS IN AN ELECTRIC DISCHARGE TUBE, SAID MATRIX ARRAY COMPRISING: A PLURALITY OF ELECTRICALLY SEPARATE ELECTRON GENERATORS INCLUDING METAL PINS HAVING DEPOSITED ON THE TIPS THEREOF ELECTRON EMISSIVE MATERIAL RESPONSIVE TO HEAT AND AN ELECTRICALLY ENERGIZABLE HEATING COIL SURROUNDING SAID METAL PINS; MODULATOR MEANS FOR FORMING A PLURALITY OF ELEMENTAL BEAMS OF ELECTRONS EMITTED FROM SAID GENERATORS; HEAT CONSERVING MEANS SURROUNDING SAID GENERATORS; AND, CONNECTING MEANS FOR ELECTRICALLY CONNECTING SAID ELECTRON GENERATORS TO SEPARATE ELECTRICAL ACTIVATION SOURCES WHEREBY SAID GENERATORS MAY BE SELECTIVELY RENDERED ACTIVE OR INACTIVE.
References Cited (Backward Citations)
US2585582A
Cited
US3143685A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |