US3118236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
grdi-z
Assignee: —
•
Filing: —
•
Granted: 1964-01-21
•
Expires: 1981-01-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:03
CPC Classifications
G; G09; G09B; G09B5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
AN EDUCATIONAL DEVICE FOR DETERMINING THE PRIORITY OF RESPONSE OF EACH CONTESTANT IN A GROUP OF QUIZ CONTESTANTS, COMPRISING A PLURALITY OF SWITCHES, EACH SWITCH BEING ACTUATABLE BY A CONTESTANT TO INDICATE THAT HE CAN ANSWER AN ASKED QUESTION; A PRIMARY CIRCUIT IN SERIES WITH EACH SWITCH; MEANS TO APPLY ELECTRICAL POWER TO EACH SWITCH AND ASSOCIATED PRIMARY CIRCUIT; EACH PRIMARY CIRCUIT COMPRISING A PLURALITY OF SECONDARY CIRCUITS ARRANGED IN PARALLEL TO FORM AN ORDER OF PRIORITY WITH RESPECT TO EACH OTHER; CONTROL MEANS IN EACH SECONDARY CIRCUIT WHICH, UPON ACTUATION THEREOF, ACT TO PREVENT ACTUATION OF ALL LOWER PRIORITY SECONDARY CIRCUITS OF THE SAME PRI-
Claim 2
Dependent Claim
106 words
AN EDUCATIONAL DEVICE FOR DETERMINING THE PRIORITY OF RESPONSE OF EACH CONTESTANT IN A GROUP OF QUIZ CONTESTANTS, COMPRISING A PLURALITY OF SWITCHES, EACH SWITCH BEING ACTUATABLE BY A CONTESTANT TO INDICATE THAT HE CAN ANSWER AN ASKED QUESTION; A PRIMARY CIRCUIT IN SERIES WITH EACH SWITCH; MEANS TO APPLY ELECTRICAL POWER TO EACH SWITCH AND ASSOCIATED PRIMARY CIRCUIT; EACH PRIMARY CIRCUIT COMPRISING A PLURALITY OF SECONDARY CIRCUITS ARRANGED IN PARALLEL TO FORM AN ORDER OF PRIORITY WITH RESPECT TO EACH OTHER; CONTROL MEANS IN EACH SECONDARY CIRCUIT WHICH, UPON ACTUATION THEREOF, ACT TO PREVENT ACTUATION OF ALL LOWER PRIORITY SECONDARY CIRCUITS OF THE SAME PRI-
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |