Patent US2877371A successfully refreshed from Google Patents.
US2877371A
Expired / Lapsed
US
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Information display device
Assignee: TDK Micronas GmbH
•
Filing: 1955-08-16
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Granted: 1959-03-10
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Expires: 1975-08-16
Abstract
No abstract record available.
Inventors
- 👤 Richard K Orthuber
- 👤 Christian C Larson
- 👤 George W Bain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:17
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/14; H05; H05B; H05B33/00; H05B33/12; H05B33/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735049A
Cited
US2313286A
Cited
US2540490A
Cited
US2748304A
Cited
US2698915A
Cited
US2818531A
Cited
US2768310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |