US3234425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heater-cathode mount
Assignee: RCA Corp
•
Filing: 1962-01-23
•
Granted: 1966-02-08
•
Expires: 1982-01-23
Abstract
No abstract record available.
Inventors
- 👤 Jason S Posner
- 👤 Peter P Spann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:35
CPC Classifications
H; H01; H01J; H01J1/00; H01J1/88
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A RUGGED HEATER-CATHODE MOUNT COMPRISING: (A) A HEATER INSULATOR; (B) TWO MOUNTING MEMBERS AXIALLY ENGAGING OPPOSITE END POSITIONS OF SAID INSULATOR; (C) A CATHODE HEATER MOUNTED ON ONE END OF SAID INSULATOR ADJACENT TO ONE OF SAID MOUNTING MEMBERS; (D) A THERMIONIC CATHODE RIGIDLY MOUNTED ON SAID ONE MOUNTING MEMBER; AND (E) MEANS RIGIDLY CONNECTING SAID MOUNTING MEMBERS TOGETHER, FOR PREVENTING MOVEMENT OF SAID CATHODE AND INSULATOR IN SAID MOUNT.
Claim 2
Dependent Claim
70 words
A RUGGED HEATER-CATHODE MOUNT COMPRISING: (A) A HEATER INSULATOR; (B) TWO MOUNTING MEMBERS AXIALLY ENGAGING OPPOSITE END POSITIONS OF SAID INSULATOR; (C) A CATHODE HEATER MOUNTED ON ONE END OF SAID INSULATOR ADJACENT TO ONE OF SAID MOUNTING MEMBERS; (D) A THERMIONIC CATHODE RIGIDLY MOUNTED ON SAID ONE MOUNTING MEMBER; AND (E) MEANS RIGIDLY CONNECTING SAID MOUNTING MEMBERS TOGETHER, FOR PREVENTING MOVEMENT OF SAID CATHODE AND INSULATOR IN SAID MOUNT.
References Cited (Backward Citations)
US2089654A
Cited
US2441315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |