US3220129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display
Assignee: Chicago Display Co
•
Filing: 1963-01-16
•
Granted: 1965-11-30
•
Expires: 1983-01-16
Abstract
No abstract record available.
Inventors
- 👤 Carol C Goodman
- 👤 Valentine A Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:59
CPC Classifications
G; G09; G09F; G09F7/00; G09F7/18; G09F7/20; G09F7/205; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32057; Y10T403/32254; Y10T403/32426; Y10T403/32442; Y10T403/57; Y10T403/5706
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US216282A
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US1313240A
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US974702A
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US1249716A
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US2072898A
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US2885090A
Cited
US3005278A
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US3015177A
Cited
US3119588A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |