US2728010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color kinescope utilizing x-rays
Assignee: RCA Corp
•
Filing: 1951-01-30
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Granted: 1955-12-20
•
Expires: 1971-01-30
Abstract
No abstract record available.
Inventors
- 👤 Imre J Hegyi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:30
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/30; H01J29/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB276678A
Cited
US1973886A
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US2452522A
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US2452523A
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US2508098A
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US2442961A
Cited
US2509766A
Cited
US2559279A
Cited
US2546160A
Cited
US2644096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-19 | 1959-06-20 | 1959-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-19 | 1963-06-20 | 1963-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-19 | 1967-06-20 | 1967-12-20 | $7700.00 | Window Closed / Lapsed |