US3300876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instruction aid
Assignee: DRESSEN BARNES ELECTRONICS COR
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Filing: 1964-06-01
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Granted: 1967-01-31
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Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 Lawrence A Johannsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:26
CPC Classifications
G; G09; G09B; G09B7/00; G09B7/06; G09B7/07; G09B7/073
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN APPARATUS OF THE CLASS DESCRIBED: A PLURALITY OF STATION CONSOLES; SWITCHING MEANS FOR EACH OF THE STATION CONSOLES OPERABLE AT THE STATION CONSOLES FOR REGISTERING ONE OF A SERIES OF MULTIPLE CHOICES; CIRCUIT MEANS FOR EACH OF THE STATION CONSOLES SELECTIVELY OPERABLE IN ACCORDANCE WITH THE CHOICE SO REGISTERED; PROGRAM MEANS GROUPING SAID CIRCUIT MEANS INTO TWO CLASSES CORRESPONDING TO CORRECT AND INCORRECT; A MASTER CONSOLE REMOTE FROM SAID STATION CONSOLES; A PAIR OF DISPLAY DEVICES FOR EACH OF SAID STATION CONSOLES AND MOUNTED ON THE MASTER CONSOLE, SAID DISPLAY DEVICES CORRESPONDING TO CORRECT AND INCORRECT; AND MEANS OPERATIVELY CONNECTING SAID CIRCUIT MEANS TO ONE OF THE CORRESPONDING DISPLAY DEVICES IN ACCORDANCE WITH THE GROUPING OF THE PROGRAM MEANS.
Claim 2
Dependent Claim
120 words
IN APPARATUS OF THE CLASS DESCRIBED: A PLURALITY OF STATION CONSOLES; SWITCHING MEANS FOR EACH OF THE STATION CONSOLES OPERABLE AT THE STATION CONSOLES FOR REGISTERING ONE OF A SERIES OF MULTIPLE CHOICES; CIRCUIT MEANS FOR EACH OF THE STATION CONSOLES SELECTIVELY OPERABLE IN ACCORDANCE WITH THE CHOICE SO REGISTERED; PROGRAM MEANS GROUPING SAID CIRCUIT MEANS INTO TWO CLASSES CORRESPONDING TO CORRECT AND INCORRECT; A MASTER CONSOLE REMOTE FROM SAID STATION CONSOLES; A PAIR OF DISPLAY DEVICES FOR EACH OF SAID STATION CONSOLES AND MOUNTED ON THE MASTER CONSOLE, SAID DISPLAY DEVICES CORRESPONDING TO CORRECT AND INCORRECT; AND MEANS OPERATIVELY CONNECTING SAID CIRCUIT MEANS TO ONE OF THE CORRESPONDING DISPLAY DEVICES IN ACCORDANCE WITH THE GROUPING OF THE PROGRAM MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |