US3174231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Matrix for teaching device for selectively exposing and concealing stimuli
Assignee: Individual
•
Filing: 1962-12-05
•
Granted: 1965-03-23
•
Expires: 1982-12-05
Abstract
No abstract record available.
Inventors
- 👤 Schure Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:02
CPC Classifications
G; G09; G09B; G09B3/00; G09B3/02; G09B3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A TEACHING DEVICE COMPRISING A MATRIX HAVING ON ITS SURFACE A VIEWING STATION COMPRISING A FIRST OBSERVATION STATION HAVING A WINDOW OF PREDETERMINED SIZE FOR ACCOMMODATING AND EXPOSING AT LEAST ONE FRAME OF STIMULI, A SECOND OBSERVATION STATION ADJACENT SAID FIRST STATION HAVING A WINDOW OF PREDETERMINED SIZE COMPRISING A COLOR FILTER FOR ACCOMMODATING AT LEAST ONE FRAME OF STIMULI, AND A PROGRAM SHEET COOPERATIVELY ASSOCIATED WITH SAID MATRIX, SAID PROGRAM SHEET HAVING THEREON CONSECUTIVE FRAMES OF STIMULI PROGRAMMED IN A PREARRANGED ORDER DEPENDING UPON INFORMATION TO BE CONVEYED, AT LEAST ONE OF SAID FRAMES BEING PRINTED IN A COLOR NONCOMPATIBLE WITH SAID COLOR FILTER AND AT LEAST ONE OF SAID FRAMES OF STIMULI BEING PRINTED IN A COLOR COMPATIBLE WITH SAID COLOR FILTER WHEREBY TO BE CONCEALED BY SAID FILTER, SAID PROGRAM SHEET BEING SUPPORTED BENEATH SAID VIEWING STATION FOR FEEDING TO AND PAST SAID WINDOWS.
Claim 2
Dependent Claim
147 words
A TEACHING DEVICE COMPRISING A MATRIX HAVING ON ITS SURFACE A VIEWING STATION COMPRISING A FIRST OBSERVATION STATION HAVING A WINDOW OF PREDETERMINED SIZE FOR ACCOMMODATING AND EXPOSING AT LEAST ONE FRAME OF STIMULI, A SECOND OBSERVATION STATION ADJACENT SAID FIRST STATION HAVING A WINDOW OF PREDETERMINED SIZE COMPRISING A COLOR FILTER FOR ACCOMMODATING AT LEAST ONE FRAME OF STIMULI, AND A PROGRAM SHEET COOPERATIVELY ASSOCIATED WITH SAID MATRIX, SAID PROGRAM SHEET HAVING THEREON CONSECUTIVE FRAMES OF STIMULI PROGRAMMED IN A PREARRANGED ORDER DEPENDING UPON INFORMATION TO BE CONVEYED, AT LEAST ONE OF SAID FRAMES BEING PRINTED IN A COLOR NONCOMPATIBLE WITH SAID COLOR FILTER AND AT LEAST ONE OF SAID FRAMES OF STIMULI BEING PRINTED IN A COLOR COMPATIBLE WITH SAID COLOR FILTER WHEREBY TO BE CONCEALED BY SAID FILTER, SAID PROGRAM SHEET BEING SUPPORTED BENEATH SAID VIEWING STATION FOR FEEDING TO AND PAST SAID WINDOWS.
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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |