Patent US5153681A successfully refreshed from Google Patents.
Patent US2772861A successfully refreshed from Google Patents.
US2772861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiator for electron discharge device
Assignee: Westinghouse Electric Corp
•
Filing: 1953-09-28
•
Granted: 1956-12-04
•
Expires: 1973-09-28
Abstract
No abstract record available.
Inventors
- 👤 Ruth M Dailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:58
CPC Classifications
H; H01; H01J; H01J19/00; H01J19/28; H01J19/32; H01J19/36; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0027; Y; Y10; Y10S; Y10S165/00; Y10S165/51; Y10S165/518; Y10S165/524
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
AN ELECTRON DISCHARGE DEVICE COMPRISING A COPPER ANODE, AN ALUMINUM RADIATOR MOUNTED ON SAID ANODE, A LINER OF COPPER INTERPOSED BETWEEN THE ANODE AND RADIATOR, WITH A FUSED COPPER-ALUMINUM BOND INTEGRATING SAID LINER AND RADIATOR AS A UNIT, AND SOLDER INTERPOSED BETWEEN SAID ANODE AND LINER SECURING THE SAID LINER ON THE ANODE.
Claim 2
Dependent Claim
53 words
AN ELECTRON DISCHARGE DEVICE COMPRISING A COPPER ANODE, AN ALUMINUM RADIATOR MOUNTED ON SAID ANODE, A LINER OF COPPER INTERPOSED BETWEEN THE ANODE AND RADIATOR, WITH A FUSED COPPER-ALUMINUM BOND INTEGRATING SAID LINER AND RADIATOR AS A UNIT, AND SOLDER INTERPOSED BETWEEN SAID ANODE AND LINER SECURING THE SAID LINER ON THE ANODE.
References Cited (Backward Citations)
US2181366A
Cited
US2288380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |