Patent US3020532A successfully refreshed from Google Patents.
US3020532A
Expired / Lapsed
US
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Cuing apparatus
Assignee: TELEPROMPTER CORP
•
Filing: 1957-11-04
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Granted: 1962-02-06
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Expires: 1977-11-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Hubert J Schlafly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:20
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/222; H04N5/2222
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2359014A
Cited
US2422149A
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US2444796A
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US2737622A
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US2737619A
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US2780763A
Cited
US2760137A
Cited
US2848671A
Cited
US2799820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |