Patent US2502269A successfully refreshed from Google Patents.
US2502269A
Expired / Lapsed
US
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X-ray control apparatus
Assignee: Philips Lamps Ltd
•
Filing: 1946-03-18
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Granted: 1950-03-28
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Expires: 1966-03-18
Abstract
No abstract record available.
Inventors
- 👤 Anthony Nemet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:36
CPC Classifications
H; H05; H05G; H05G1/00; H05G1/08; H05G1/26; H05G1/30; H05G1/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2114330A
Cited
US2224369A
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US2319322A
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US2339902A
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US2365554A
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US2379125A
Cited
US2351486A
Cited
US2368798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |