US2527113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multitarget cathode-ray device
Assignee: AT&T Inc
•
Filing: 1948-08-24
•
Granted: 1950-10-24
•
Expires: 1968-08-24
Abstract
No abstract record available.
Inventors
- 👤 Anderson Alva Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:58
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/02; H01J31/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2086904A
Cited
US2178074A
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US2124973A
Cited
US2121359A
Cited
US2368328A
Cited
US2265848A
Cited
US2404106A
Cited
US2452157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |