US3243636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary anode for X-ray tubes
Assignee: SOCIETY TUBIX
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Filing: 1964-01-29
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Granted: 1966-03-29
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Expires: 1984-01-29
Abstract
No abstract record available.
Inventors
- 👤 Nineuil Pierre Aristide
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:41
CPC Classifications
H; H01; H01J; H01J35/00; H01J35/02; H01J35/04; H01J35/08; H01J35/10; H01J35/105
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
A ROTARY ANODE FOR X-RAY TUBES CONSISTING OF A TUNGSTEN DISK HAVING NEAR THE PERIPHERY THEREOF AN ANNULAR TRACK-LIKE CATHODIC BEAM IMPINGEMENT SURFACE, SAID DISK BEING PROVIDED ON ITS ENTIRE REAR FACE AND OVER ITS FRONT FACE, EXCEPT FOR SAID TRACK-LIKE SURFACE, WITH A COATING FILM MADE OF AN ALOY BASICALLY CONSISTING OF A METAL SELECTED FROM THE GROUP COMPRISING TANTALUM AND NIOBIUM, AND OF ZIRCONIUM, SAID FILM HAVING A THICKNESS OF ABOUT 0.2 TO 0.5 MM.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |