US3010046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode structure
Assignee: Westinghouse Electric Corp
•
Filing: 1952-02-26
•
Granted: 1961-11-21
•
Expires: 1972-02-26
Abstract
No abstract record available.
Inventors
- 👤 Hampton J Dailey
- 👤 Rodger G Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:00
CPC Classifications
H; H01; H01J; H01J1/00; H01J1/02; H01J1/13; H01J1/20; H01J1/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A CATHODE COMPRISING A MOLYBDENUM TUBE HAVING THEREIN A NICKEL COATED BARIUM SLUG WHICH IS SURROUNDED BY A HEATER COIL, A WALL OF MOLYBDENUM ACROSS SAID TUBE ON ONE SIDE OF SAID BARIUM, AND A WALL OF POROUS TUNGSTEN ACROSS SAID TUBE ON THE OTHER SIDE OF SAID BARIUM.
Claim 2
Dependent Claim
49 words
A CATHODE COMPRISING A MOLYBDENUM TUBE HAVING THEREIN A NICKEL COATED BARIUM SLUG WHICH IS SURROUNDED BY A HEATER COIL, A WALL OF MOLYBDENUM ACROSS SAID TUBE ON ONE SIDE OF SAID BARIUM, AND A WALL OF POROUS TUNGSTEN ACROSS SAID TUBE ON THE OTHER SIDE OF SAID BARIUM.
References Cited (Backward Citations)
US2121589A
Cited
US2543728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |