US3280482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Testing and self-instructional device and method
Assignee: Individual
•
Filing: 1963-12-17
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Granted: 1966-10-25
•
Expires: 1983-12-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Chester H Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:55
CPC Classifications
G; G09; G09B; G09B3/00; G09B3/06; G09B3/08; Y; Y10; Y10T; Y10T225/00; Y10T225/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN AN EDUCATIONAL DEVICE FOR RECORDING ANSWERS TO MULTIPLE CHOICE QUESTIONS ON A PUNCH CARD, WHICH COMPRISES A MANUAL HOLDER, A PUNCH CARD MOUNTED IN THE HOLDER, AND A STYLUS, THE HOLDER BEING PROVIDED WITH NUMBERED ROWS OF OPENINGS FOR ADMISSION OF THE STYLUS TO THE PUNCH CARD, THE IMPROVEMENT WHICH COMPRISES: (1) MEANS FOR REQUIRING A STUDENT TO ANSWER THE QUESTIONS IN SEQUENCE, SAID MEANS INCLUDING A SHUTTLE MOVABLE LATERALLY AND SPRING-BIASED LONGITUDINALLY OF THE HOLDER; (2) THE SHUTTLE BEING PROVIDED WITH OPENINGS CORRESPONDING WITH ALL OPENINGS OF A ROW OF OPENINGS IN THE HOLDER; (3) THE STYLUS BEING PROVIDED WITH MEANS OPERABLE TO MOVE THE SHUTTLE LATERALLY THEREBY PERMITTING THE SHUTTLE TO MOVE UNDER SPRING BIAS TO THE NEXT ROW OF OPENINGS IN THE CASING, WHEN THE STYLUS IS FULLY INSERTED IN AN OPENING.
Claim 2
Dependent Claim
136 words
IN AN EDUCATIONAL DEVICE FOR RECORDING ANSWERS TO MULTIPLE CHOICE QUESTIONS ON A PUNCH CARD, WHICH COMPRISES A MANUAL HOLDER, A PUNCH CARD MOUNTED IN THE HOLDER, AND A STYLUS, THE HOLDER BEING PROVIDED WITH NUMBERED ROWS OF OPENINGS FOR ADMISSION OF THE STYLUS TO THE PUNCH CARD, THE IMPROVEMENT WHICH COMPRISES: (1) MEANS FOR REQUIRING A STUDENT TO ANSWER THE QUESTIONS IN SEQUENCE, SAID MEANS INCLUDING A SHUTTLE MOVABLE LATERALLY AND SPRING-BIASED LONGITUDINALLY OF THE HOLDER; (2) THE SHUTTLE BEING PROVIDED WITH OPENINGS CORRESPONDING WITH ALL OPENINGS OF A ROW OF OPENINGS IN THE HOLDER; (3) THE STYLUS BEING PROVIDED WITH MEANS OPERABLE TO MOVE THE SHUTTLE LATERALLY THEREBY PERMITTING THE SHUTTLE TO MOVE UNDER SPRING BIAS TO THE NEXT ROW OF OPENINGS IN THE CASING, WHEN THE STYLUS IS FULLY INSERTED IN AN OPENING.
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |