US3193947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Writing aid for the blind
Assignee: Individual
•
Filing: 1962-03-26
•
Granted: 1965-07-13
•
Expires: 1982-03-26
Abstract
No abstract record available.
Inventors
- 👤 Madison H Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:36
CPC Classifications
G; G09; G09B; G09B21/00; G09B21/001; G09B21/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
218 words
A WRITING AID COMPRISING A SUPPORT MEMBER HAVING A FLAT TOP SURFACE, THE SUPPORT MEMBER HAVING MEANS TO GUIDE A SHEET OF PAPER ALONG A PREDETERMINED LINE OF TRAVEL, A SPACER BAR HAVING A REGULAR POLYGON CROSS-SECTIONAL CONFIGURATION EXTENDING TRANSVERSELY RELATIVE TO THE LINE OF TRAVEL OF THE PAPER, THE SPACER BAR HAVING REDUCED END PORTIONS DEFINING LATERALLY EXTENDING ROD PORTIONS, LATERALLY SPACED RETAINING MEANS RELATIVE TO THE LINE OF TRAVEL OF THE PAPER DISPOSED ON THE SUPPORT MEMBER FOR RECEIVING THE END PORTIONS OF THE LATERALLY EXTENDING ROD PORTIONS OF THE SPACED BAR AND RESTRICTING THE LONGITUDINAL MOVEMENT THEREOF RELATIVE TO THE LINE OF TRAVEL OF THE PAPER, FRICTION MEANS DISPOSED ON AT LEAST A PORTION OF THE OUTSIDE SURFACES OF THE SPACER BAR, MEANS DISPOSED ON THE SUPPORT MEMBER FOR BIASING THE SPACER BAR TOWARD THE TOP SURFACE OF THE SUPPORT MEMBER, MEANS DISPOSED ON THE ROD PORTIONS OF SPACER BAR FOR ROTATING THE BAR, LATERALLY SPACED MEANS RELATIVE TO THE LINE OF TRAVEL OF THE PAPER YIELDINGLY DISPOSED ON THE TOP SURFACE OF THE SUPPORT MEMBER DEFINING THE TRANSVERSE LIMITS OF A WRITING SPACE AND LONGITUDINALLY SPACED MEANS RELATIVE TO THE LINE OF TRAVEL OF THE PAPER YIELDINGLY DISPOSED ON THE TOP SURFACE OF THE SUPPORT MEMBER DEFINING THE LONGITUDINAL LIMITS OF THE WRITING SPACE.
Claim 2
Dependent Claim
218 words
A WRITING AID COMPRISING A SUPPORT MEMBER HAVING A FLAT TOP SURFACE, THE SUPPORT MEMBER HAVING MEANS TO GUIDE A SHEET OF PAPER ALONG A PREDETERMINED LINE OF TRAVEL, A SPACER BAR HAVING A REGULAR POLYGON CROSS-SECTIONAL CONFIGURATION EXTENDING TRANSVERSELY RELATIVE TO THE LINE OF TRAVEL OF THE PAPER, THE SPACER BAR HAVING REDUCED END PORTIONS DEFINING LATERALLY EXTENDING ROD PORTIONS, LATERALLY SPACED RETAINING MEANS RELATIVE TO THE LINE OF TRAVEL OF THE PAPER DISPOSED ON THE SUPPORT MEMBER FOR RECEIVING THE END PORTIONS OF THE LATERALLY EXTENDING ROD PORTIONS OF THE SPACED BAR AND RESTRICTING THE LONGITUDINAL MOVEMENT THEREOF RELATIVE TO THE LINE OF TRAVEL OF THE PAPER, FRICTION MEANS DISPOSED ON AT LEAST A PORTION OF THE OUTSIDE SURFACES OF THE SPACER BAR, MEANS DISPOSED ON THE SUPPORT MEMBER FOR BIASING THE SPACER BAR TOWARD THE TOP SURFACE OF THE SUPPORT MEMBER, MEANS DISPOSED ON THE ROD PORTIONS OF SPACER BAR FOR ROTATING THE BAR, LATERALLY SPACED MEANS RELATIVE TO THE LINE OF TRAVEL OF THE PAPER YIELDINGLY DISPOSED ON THE TOP SURFACE OF THE SUPPORT MEMBER DEFINING THE TRANSVERSE LIMITS OF A WRITING SPACE AND LONGITUDINALLY SPACED MEANS RELATIVE TO THE LINE OF TRAVEL OF THE PAPER YIELDINGLY DISPOSED ON THE TOP SURFACE OF THE SUPPORT MEMBER DEFINING THE LONGITUDINAL LIMITS OF THE WRITING SPACE.
References Cited (Backward Citations)
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US1259866A
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US2562479A
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US2887790A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |