US3097435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self testing device
Assignee: Individual
•
Filing: 1961-10-10
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Granted: 1963-07-16
•
Expires: 1981-10-10
Abstract
No abstract record available.
Inventors
- 👤 Goldschmidt Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:01
CPC Classifications
G; G09; G09B; G09B3/00; G09B3/02; G09B3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A SELF TESTING DEVICE FOR USE WITH AN UNDERLAY OF QUESTION AND ANSWER PAPER, COMPRISING A GENERALLY USHAPED FRAME HAVING AN UPPER AND LOWER ARM JOINED TOGETHER BY A THIRD ARM FIXED TO ONE END OF EACH OF THE UPPER AND LOWER ARMS, A PIVOT ROD CONNECTED BETWEEN SAID UPPER AND LOWER ARMS EXTENDING SUBSTANTIALLY PARALLEL TO BUT SPACED FROM THE THIRD ARM WHEREBY A SERIES OF QUESTIONS ON THE UNDERLAY MAY BE DISPOSED ON ONE SIDE OF THE PIVOT ROD AND THE ASSOCIATED ANSWERS ON THE OTHER, AND A PLURALITY OF FLIPPERS PIVOTALLY ENGAGED ON THE ROD WHEREBY PRESELECTED ONES OR ALL OF SAID ANSWERS MAY BE HIDDEN FROM VIEW OR DISCLOSED AT WILL.
Claim 2
Dependent Claim
115 words
A SELF TESTING DEVICE FOR USE WITH AN UNDERLAY OF QUESTION AND ANSWER PAPER, COMPRISING A GENERALLY USHAPED FRAME HAVING AN UPPER AND LOWER ARM JOINED TOGETHER BY A THIRD ARM FIXED TO ONE END OF EACH OF THE UPPER AND LOWER ARMS, A PIVOT ROD CONNECTED BETWEEN SAID UPPER AND LOWER ARMS EXTENDING SUBSTANTIALLY PARALLEL TO BUT SPACED FROM THE THIRD ARM WHEREBY A SERIES OF QUESTIONS ON THE UNDERLAY MAY BE DISPOSED ON ONE SIDE OF THE PIVOT ROD AND THE ASSOCIATED ANSWERS ON THE OTHER, AND A PLURALITY OF FLIPPERS PIVOTALLY ENGAGED ON THE ROD WHEREBY PRESELECTED ONES OR ALL OF SAID ANSWERS MAY BE HIDDEN FROM VIEW OR DISCLOSED AT WILL.
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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |