US3204343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for teaching or studying mathematics
Assignee: Individual
•
Filing: 1962-03-06
•
Granted: 1965-09-07
•
Expires: 1982-03-06
Abstract
No abstract record available.
Inventors
- 👤 Pollock Algernon Frederi Seton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:10
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
234 words
IN AN APPARATUS FOR TEACHING OR STUDYING MATHEMATICS COMPRISING A SET OF ELEMENTS INCLUDING A BASIC ELEMENT WHICH IS SUBSTANTIALLY WHITE IN REALTION TO THE COLORS OF THE OTHER ELEMENTS OF THE SET AND WHICH IS CUBE AND A NUMBER OF FURTHER ELEMENT INCREASING IN LENGTH UP TO AT LEAST TEN TIMES THE LENGTH L OF AN EGE OF SAID CUBE, SAID ELEMENTS BEING IDENTIFIED AS 2L, 3L, 4L, 5L, UP TO 10L, THE IMPROVEMENT COMPRISING: (1) THE ELEMENTS 2L, 3L, AND 5L EACH BEING OF A DIFFERENT PRIMARY PIGMENT COLOR, (2) THE ELEMENTS 2L, 4L AND 8L BEING OF THE SAME PRIMARY COLOR BUT IN DIFFERENT INTENSITIES OF THAT COLOR OBTAINED BY INCREASING THE PIGMENT CONTENT IN RELATION TO THE BASIC WHITE IN 4L WITH REFERENCE TO 2L AND 8L WITH REFERENCE TO 4L, (3) THE ELEMENTS 3L AND 9L BEING OF THE SAME PRIMARY COLOR BUT IN DIFFERENT INTENSITIES OF THAT COLOR OBTAINED BY INCREASING THE PIGMENT CONTENT IN RELATION TO THE BASIC WHITE IN 9L WITH REFERENCE TO 3L, (4) THE ELEMENT 6L BEING A COMPOSITE COLOR OF THE PRIMARY COLORS OF THE ELEMENTS 2L AND 3L, (5) THE ELEMENT 10L BEING A COMPOSITE COLOR OF THE ELEMENTS 2L AND 5L, (6) THE ELEMENT 7L BEING SUBSTANTIALLY GRAY AND DEVOID OF DISCERNIBLE COLOR ASSOCIATION WITH ANY OF THE SAID PRIMARY COLORS AND RELATED TO THE BASIC ELEMENT BY ITS WHITE CONTENT.
Claim 2
Dependent Claim
234 words
IN AN APPARATUS FOR TEACHING OR STUDYING MATHEMATICS COMPRISING A SET OF ELEMENTS INCLUDING A BASIC ELEMENT WHICH IS SUBSTANTIALLY WHITE IN REALTION TO THE COLORS OF THE OTHER ELEMENTS OF THE SET AND WHICH IS CUBE AND A NUMBER OF FURTHER ELEMENT INCREASING IN LENGTH UP TO AT LEAST TEN TIMES THE LENGTH L OF AN EGE OF SAID CUBE, SAID ELEMENTS BEING IDENTIFIED AS 2L, 3L, 4L, 5L, UP TO 10L, THE IMPROVEMENT COMPRISING: (1) THE ELEMENTS 2L, 3L, AND 5L EACH BEING OF A DIFFERENT PRIMARY PIGMENT COLOR, (2) THE ELEMENTS 2L, 4L AND 8L BEING OF THE SAME PRIMARY COLOR BUT IN DIFFERENT INTENSITIES OF THAT COLOR OBTAINED BY INCREASING THE PIGMENT CONTENT IN RELATION TO THE BASIC WHITE IN 4L WITH REFERENCE TO 2L AND 8L WITH REFERENCE TO 4L, (3) THE ELEMENTS 3L AND 9L BEING OF THE SAME PRIMARY COLOR BUT IN DIFFERENT INTENSITIES OF THAT COLOR OBTAINED BY INCREASING THE PIGMENT CONTENT IN RELATION TO THE BASIC WHITE IN 9L WITH REFERENCE TO 3L, (4) THE ELEMENT 6L BEING A COMPOSITE COLOR OF THE PRIMARY COLORS OF THE ELEMENTS 2L AND 3L, (5) THE ELEMENT 10L BEING A COMPOSITE COLOR OF THE ELEMENTS 2L AND 5L, (6) THE ELEMENT 7L BEING SUBSTANTIALLY GRAY AND DEVOID OF DISCERNIBLE COLOR ASSOCIATION WITH ANY OF THE SAID PRIMARY COLORS AND RELATED TO THE BASIC ELEMENT BY ITS WHITE CONTENT.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |