US3194624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of evacuating an x-ray tube having a thin window
Assignee: Individual
•
Filing: 1964-03-30
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Granted: 1965-07-13
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Expires: 1984-03-30
Abstract
No abstract record available.
Inventors
- 👤 Jack A Soules
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:33
CPC Classifications
H; H01; H01J; H01J35/00; H01J35/02; H01J35/20; H01J35/16; H01J35/18; H01J2235/00; H01J2235/12; H01J2235/1204; H01J2235/1225; H01J2235/1262; H01J35/04; H01J35/08; H01J35/12; H01J35/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METHOD OF EVACUATING AND BAKING AN X-RAY TUBE HAVING A THIN WINDOW TO OBTAIN AN ULTRA-HIGH VACUUM PRESSURE IN SAID TUBE WITHOUT DAMAGE TO SAID WINDOW WHICH COMPRISES SECURING SAID X-RAY TUBE IN A VACUUM SYSTEM, SIMULTANEOUSLY EVACUATING SAID X-RAY TUBE AND SAID VACUUM SYSTEM TO A HIGH VACUUM PRESSURE, SEALING OFF SAID THIN WINDOW WITH A SEALING MEANS TO MAINTAIN SAID HIGH VACUUM PRESSURE BETWEEN SAID THIN WINDOW AND SAID SEALING MEANS, REMOVING SAID X-RAY TUBE FROM SAID VACUUM SYSTEM WITH SAID SEALING MEANS SEALING OFF SAID WINDOW, FURTHER EVACUATING AND SIMULTANEOUSLY BAKING
Claim 2
Independent Claim
95 words
A METHOD OF EVACUATING AND BAKING AN X-RAY TUBE HAVING A THIN WINDOW TO OBTAIN AN ULTRA-HIGH VACUUM PRESSURE IN SAID TUBE WITHOUT DAMAGE TO SAID WINDOW WHICH COMPRISES SECURING SAID X-RAY TUBE IN A VACUUM SYSTEM, SIMULTANEOUSLY EVACUATING SAID X-RAY TUBE AND SAID VACUUM SYSTEM TO A HIGH VACUUM PRESSURE, SEALING OFF SAID THIN WINDOW WITH A SEALING MEANS TO MAINTAIN SAID HIGH VACUUM PRESSURE BETWEEN SAID THIN WINDOW AND SAID SEALING MEANS, REMOVING SAID X-RAY TUBE FROM SAID VACUUM SYSTEM WITH SAID SEALING MEANS SEALING OFF SAID WINDOW, FURTHER EVACUATING AND SIMULTANEOUSLY BAKING
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |