US3085172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode ray tube gun assembly
Assignee: Corning Glass Works
•
Filing: 1959-03-11
•
Granted: 1963-04-09
•
Expires: 1979-03-11
Abstract
No abstract record available.
Inventors
- 👤 Wendell O Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:07
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/82
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
AN ELECTRON GUN COMPRISING A CATHODE ELEMENT FOR EMITTING ELECTRONS ALONG AN ELECTRON BEAM PATH, AN ELECTRON CREATING AND FOCUSING STRUCTURE COMPRISING IN ORDER ALONG SAID BEAM FROM SAID CATHODE ELEMENT, A FIRST GRID ELEMENT, A SECOND GRID ELEMENT, AN ANODE ELEMENT, A FOCUSING ELECTRODE ELEMENT, AND AN ACCELERATING ANODE ELEMENT ARRANGED IN THE ORDER NAMED, AND TWO RODS OF DIELECTRIC MATERIAL RIGIDLY SUPPORTING SAID ELEMENTS THEREBETWEEN ALONG THEIR LENGTH IN PREDETERMINED JUXTAPOSED SPACED RELATION WITH RESPECT TO ONE ANOTHER, SAID RODS BEING OF A LENGTH WHICH IS SUBSTANTIALLY NO GREATER THAN THE DISTANCE BETWEEN THE REGIONS OF THEIR CONNECTIONS WITH THE FIRST GRID ELEMENT AND WITH THE ACCELERATING ELEMENT RESPECTIVELY HAVING SURFACES FIGURED TO AFFORD MAXI-
Claim 2
Dependent Claim
117 words
AN ELECTRON GUN COMPRISING A CATHODE ELEMENT FOR EMITTING ELECTRONS ALONG AN ELECTRON BEAM PATH, AN ELECTRON CREATING AND FOCUSING STRUCTURE COMPRISING IN ORDER ALONG SAID BEAM FROM SAID CATHODE ELEMENT, A FIRST GRID ELEMENT, A SECOND GRID ELEMENT, AN ANODE ELEMENT, A FOCUSING ELECTRODE ELEMENT, AND AN ACCELERATING ANODE ELEMENT ARRANGED IN THE ORDER NAMED, AND TWO RODS OF DIELECTRIC MATERIAL RIGIDLY SUPPORTING SAID ELEMENTS THEREBETWEEN ALONG THEIR LENGTH IN PREDETERMINED JUXTAPOSED SPACED RELATION WITH RESPECT TO ONE ANOTHER, SAID RODS BEING OF A LENGTH WHICH IS SUBSTANTIALLY NO GREATER THAN THE DISTANCE BETWEEN THE REGIONS OF THEIR CONNECTIONS WITH THE FIRST GRID ELEMENT AND WITH THE ACCELERATING ELEMENT RESPECTIVELY HAVING SURFACES FIGURED TO AFFORD MAXI-
References Cited (Backward Citations)
US2460201A
Cited
US2578908A
Cited
GB740263A
Cited
US2836788A
Cited
US2810851A
Cited
US2927233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |