US3197889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming letters and numbers readable by the blind
Assignee: Individual
•
Filing: 1960-09-21
•
Granted: 1965-08-03
•
Expires: 1980-09-21
Abstract
No abstract record available.
Inventors
- 👤 Evangelia A Micropoulou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:52
CPC Classifications
G; G09; G09B; G09B21/00; G09B21/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A METHOD OF FORMING A ROMAN ALPHABET OF LETTERS READABLE BY THE BLIND, COMPRISING FORMING THE THIRTEEN MOST FREQUENTLY USED LETTERS BY UPSETTING FROM A SURFACE BASE PATTERNS CONSISTING OF PROJECTIONS IN PERMUTATIONS AND COMBINATIONS OF FOUR, THE PROJECTIONS BEING DISPOSED ON A PATTERN OF POSITIONS IN THE SHAPE OF A SQUARE, AND FORMING THE REMAINING THIRTEEN LETTERS BY UPSETTING FROM THE SURFACE A FIRST SET OF SAID BASE PATTERNS OF PROJECTIONS AND FORMING A FIRST AUXILIARY PATTERN OF PROJECTIONS IMMEDIATELY PRECEDING EACH PATTERN OF SAID SET OF BASE PATTERNS OF PROJECTIONS BY UPSETTING FROM THE SURFACE A PATTERN OF PROJECTIONS, THE PROJECTIONS BEING DISPOSED ON A PATTERN OF POSITIONS IN THE SHAPE OF A SQUARE, SAID FIRST AUXULIARY PATTERN CONSISTING OF A SINGLE PROJECTION DISPOSED AT THE SAME CORNER OF THE SQUARE, IN EACH FIRST AUXILIARY PATTERN THE SAID FIRST AUXILIARY PATTERN BEING DIFFERENT FROM THE PERMUTATIONS AND COMBINATIONS OF PROJECTIONS FORMING SAID BASE PATTERNS.
Claim 2
Independent Claim
156 words
A METHOD OF FORMING A ROMAN ALPHABET OF LETTERS READABLE BY THE BLIND, COMPRISING FORMING THE THIRTEEN MOST FREQUENTLY USED LETTERS BY UPSETTING FROM A SURFACE BASE PATTERNS CONSISTING OF PROJECTIONS IN PERMUTATIONS AND COMBINATIONS OF FOUR, THE PROJECTIONS BEING DISPOSED ON A PATTERN OF POSITIONS IN THE SHAPE OF A SQUARE, AND FORMING THE REMAINING THIRTEEN LETTERS BY UPSETTING FROM THE SURFACE A FIRST SET OF SAID BASE PATTERNS OF PROJECTIONS AND FORMING A FIRST AUXILIARY PATTERN OF PROJECTIONS IMMEDIATELY PRECEDING EACH PATTERN OF SAID SET OF BASE PATTERNS OF PROJECTIONS BY UPSETTING FROM THE SURFACE A PATTERN OF PROJECTIONS, THE PROJECTIONS BEING DISPOSED ON A PATTERN OF POSITIONS IN THE SHAPE OF A SQUARE, SAID FIRST AUXULIARY PATTERN CONSISTING OF A SINGLE PROJECTION DISPOSED AT THE SAME CORNER OF THE SQUARE, IN EACH FIRST AUXILIARY PATTERN THE SAID FIRST AUXILIARY PATTERN BEING DIFFERENT FROM THE PERMUTATIONS AND COMBINATIONS OF PROJECTIONS FORMING SAID BASE PATTERNS.
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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |