US3119035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron gun structure
Assignee: Westinghouse Electric Corp
•
Filing: 1960-06-23
•
Granted: 1964-01-21
•
Expires: 1980-06-23
Abstract
No abstract record available.
Inventors
- 👤 Atti Eros
- 👤 Billy G Douglass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:58
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
AN ELECTRON GUN STRUCTURE COMPRISING A CATHODE, A CONTROL GRID AND A SCREEN GRID LOCATED ON ONE SIDE OF SAID CATHODE FOR FORMING AN ELECTRON BEAM; A PLATE SUPPORT MEMBER LOCATED ON THE OPPOSITE SIDE OF SAID CATHODE FROM SAID CONTROL GRID AND SAID SCREEN GRID, SAID PLATE SUPPORT AND SAID CONTROL GRID SUPPORTING AT THEIR EXTREMITIES INSULATING SPACER PLATE-LIKE MEMBERS THROUGH WHICH SAID CATHODE EXTENDS, SAID PLATE SUPPORT, SAID CONTROL GRID AND SAID SCREEN GRID BEING MUTUALLY SECURED TO RIGID INSULATING ELONGATED ROD-LIKE MEMBERS.
Claim 2
Dependent Claim
85 words
AN ELECTRON GUN STRUCTURE COMPRISING A CATHODE, A CONTROL GRID AND A SCREEN GRID LOCATED ON ONE SIDE OF SAID CATHODE FOR FORMING AN ELECTRON BEAM; A PLATE SUPPORT MEMBER LOCATED ON THE OPPOSITE SIDE OF SAID CATHODE FROM SAID CONTROL GRID AND SAID SCREEN GRID, SAID PLATE SUPPORT AND SAID CONTROL GRID SUPPORTING AT THEIR EXTREMITIES INSULATING SPACER PLATE-LIKE MEMBERS THROUGH WHICH SAID CATHODE EXTENDS, SAID PLATE SUPPORT, SAID CONTROL GRID AND SAID SCREEN GRID BEING MUTUALLY SECURED TO RIGID INSULATING ELONGATED ROD-LIKE MEMBERS.
References Cited (Backward Citations)
US2219117A
Cited
US2395835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |