US3517258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state display device using light emitting diodes
Assignee: International Business Machines Corp
•
Filing: 1966-10-31
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Granted: 1970-06-23
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Expires: 1986-10-31
Abstract
No abstract record available.
Inventors
- 👤 Robert John Lynch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:34
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/04; G09G3/06; G09G3/12; G09G3/14; G01; G01R; G01R13/00; G01R13/40; G01R13/404; G01R13/408; G09G3/001; H; H04; H04N; H04N3/00; H04N3/10; H04N3/14; G09G2300/00; G09G2300/06; G09G2310/00; G09G2310/02; G09G2310/0264; G09G2310/0275
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3175090A
Cited
US3048824A
Cited
US3015747A
Cited
US3154720A
Cited
US3388255A
Cited
US3327163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |