US3522664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interface device and display system
Assignee: Westinghouse Electric Corp
•
Filing: 1967-11-20
•
Granted: 1970-08-04
•
Expires: 1987-11-20
Abstract
No abstract record available.
Inventors
- 👤 John E Lambright
- 👤 Bruce R Dow
- 👤 Clyde A Booker Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:03
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/03; G06F3/041; G06F3/045; G09; G09B; G09B7/00; G09B7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2900446A
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US2975235A
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US2953859A
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US3052879A
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US3032609A
Cited
US3102926A
Cited
US3304612A
Cited
US3382588A
Cited
US3308253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |