US3412868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information display equipment
Assignee: Shannon Ltd
•
Filing: 1966-04-25
•
Granted: 1968-11-26
•
Expires: 1986-04-25
Abstract
No abstract record available.
Inventors
- 👤 Edward H Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:11
CPC Classifications
G; G09; G09F; G09F15/00; G09F15/0087; G09F11/00; G09F11/02; G09F11/06; G09F7/00; G09F7/18; G09F7/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1355062A
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US2597426A
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US2617219A
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GB802583A
Cited
US3319800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |