US2863083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray genenrator tubes
Assignee: Compagnie Generale de Radiologie SA
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Filing: 1957-03-25
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Granted: 1958-12-02
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Expires: 1977-03-25
Abstract
No abstract record available.
Inventors
- 👤 Schram Autoine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:48
CPC Classifications
H; H01; H01J; H01J35/00; H01J35/02; H01J35/04; H01J35/08; H01J35/10; H01J2235/00; H01J2235/08; H01J2235/083; H01J2235/084
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
59 words
AN ANODE FOR AN X-RAY GENERATOR TUBE CONSISTING OF A CORE OF A REFRACTORY MATERIAL, A LAYER OF TUNGSTEN COVERING AT LEAST A PART OF THE SURFACE OF THE REFRACTORY MATERIAL AND A LAYER OF RHENIUM OVER SAID LAYER OF TUNGSTEN AND COVERING AT LEAST THE FOCAL AREA OF THE ANODE, TO A DEPTH OF AT LEAST TEN MICRONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |