Patent US3352031A successfully refreshed from Google Patents.
US3352031A
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Assignee: Individual
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Filing: 1965-12-06
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Granted: 1967-11-14
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Expires: 1985-12-06
Abstract
No abstract record available.
Inventors
- 👤 Donald D Lindquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:22
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A TRAINING AID FOR INDICATING THE NON-BINARY NUMERICAL VALUES OF SELECTED BINARY NUMBERS COMPRISING: A FIRST PLATE HAVING A PLURALITY OF OPENINGS THEREIN, SAID OPENINGS ARRANGED IN TWO GROUPS, THE FIRST OF WHICH COMPRISES A PLURALITY OF BINARY DIGIT OPENINGS, EACH CORRESPONDING TO A DIFFERENT BINARY DIGIT AND THE SECOND OF WHICH COMPRISES A PLURALITY OF NON-BINARY DIGIT OPENINGS, EACH CORRESPONDING TO A DIFFERENT NON-BINARY NUMBER; A SECOND PLATE SECURED TO SAID FIRST PLATE IN FIXED SPACED-APART RELATIONSHIP, SAID SECOND PLATE HAVING COLORED PORTIONS VISIBLE THROUGH AND IN REGISTRY WITH SAID OPENINGS IN SAID FIRST PLATE; A PLURALITY OF INTERMEDIATE PLATES POSITIONED BETWEEN SAID FIRST AND SECOND PLATES, EACH INTERMEDIATE PLATE HAVING TWO POSITIONS IN THE FIRST OF WHICH SAID INTERMEDIATE PLATE COVERS A PREDETERMINED BINARY DIGIT OPENING IN SAID FIRST PLATE AND IN THE SECOND OF WHICH SAID INTERMEDIATE
Claim 2
Dependent Claim
140 words
A TRAINING AID FOR INDICATING THE NON-BINARY NUMERICAL VALUES OF SELECTED BINARY NUMBERS COMPRISING: A FIRST PLATE HAVING A PLURALITY OF OPENINGS THEREIN, SAID OPENINGS ARRANGED IN TWO GROUPS, THE FIRST OF WHICH COMPRISES A PLURALITY OF BINARY DIGIT OPENINGS, EACH CORRESPONDING TO A DIFFERENT BINARY DIGIT AND THE SECOND OF WHICH COMPRISES A PLURALITY OF NON-BINARY DIGIT OPENINGS, EACH CORRESPONDING TO A DIFFERENT NON-BINARY NUMBER; A SECOND PLATE SECURED TO SAID FIRST PLATE IN FIXED SPACED-APART RELATIONSHIP, SAID SECOND PLATE HAVING COLORED PORTIONS VISIBLE THROUGH AND IN REGISTRY WITH SAID OPENINGS IN SAID FIRST PLATE; A PLURALITY OF INTERMEDIATE PLATES POSITIONED BETWEEN SAID FIRST AND SECOND PLATES, EACH INTERMEDIATE PLATE HAVING TWO POSITIONS IN THE FIRST OF WHICH SAID INTERMEDIATE PLATE COVERS A PREDETERMINED BINARY DIGIT OPENING IN SAID FIRST PLATE AND IN THE SECOND OF WHICH SAID INTERMEDIATE
References Cited (Backward Citations)
US3071320A
Cited
US3332156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |