Patent US2840716A successfully refreshed from Google Patents.
US2840716A
Expired / Lapsed
US
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Ray sensitive screen unit and associated apparatus
Assignee: General Electric Co
•
Filing: 1953-07-07
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Granted: 1958-06-24
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Expires: 1973-07-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert Godbarsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:22
CPC Classifications
H; H05; H05G; H05G1/00; H05G1/08; H05G1/26; H05G1/30; H05G1/38; H05G1/42; H05G1/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2086718A
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US2403227A
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US2416595A
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US2546734A
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US2583132A
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US2666145A
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US2681417A
Cited
US2711482A
Cited
US2709221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |