US2797350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray tube
Assignee: US Philips Corp
•
Filing: 1953-11-27
•
Granted: 1957-06-25
•
Expires: 1973-11-27
Abstract
No abstract record available.
Inventors
- 👤 Combee Bart
- 👤 Houtman Jacobus Marinus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:07
CPC Classifications
H; H01; H01J; H01J35/00; H01J35/02; H01J35/04; H01J35/08; H01J35/112; H01J35/116
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
AN ANODE FOR AN X-RAY TUBE COMPRISING A COPPER BODY, A U-SHAPED TUNGSTEN TARGET PLATE WHOLLY EMBEDED IN SAID COPPER BODY WITH THE ARMS OF THE U BEING SUBSTANTIALLY PERPENDICULAR TO THE BIGHT AND FACING INWARDLY INTO THE COPPER BODY AND THE OUTER SURFACE OF THE BIGHT OF THE U BEING EXPOSED FOR RECEIVING ELECTRONS AND BEING SUBSTANTIALLY FLUSH WITH THE OUTER SURFACE OF THE COPPER, AND A TUNGSTEN WOOL PLUG SEALED IN THE COPPER BODY BETWEEN THE ARMS OF THE U.
Claim 2
Dependent Claim
82 words
AN ANODE FOR AN X-RAY TUBE COMPRISING A COPPER BODY, A U-SHAPED TUNGSTEN TARGET PLATE WHOLLY EMBEDED IN SAID COPPER BODY WITH THE ARMS OF THE U BEING SUBSTANTIALLY PERPENDICULAR TO THE BIGHT AND FACING INWARDLY INTO THE COPPER BODY AND THE OUTER SURFACE OF THE BIGHT OF THE U BEING EXPOSED FOR RECEIVING ELECTRONS AND BEING SUBSTANTIALLY FLUSH WITH THE OUTER SURFACE OF THE COPPER, AND A TUNGSTEN WOOL PLUG SEALED IN THE COPPER BODY BETWEEN THE ARMS OF THE U.
References Cited (Backward Citations)
US1279423A
Cited
US1218026A
Cited
US1893759A
Cited
US2125896A
Cited
US2311725A
Cited
US2490246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-24 | 1960-12-24 | 1961-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-24 | 1964-12-24 | 1965-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-24 | 1968-12-24 | 1969-06-25 | $7700.00 | Window Closed / Lapsed |