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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
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Abstract

No abstract record available.

Inventors

  • 👤 Madison H Dean

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 19:51
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)

US547800A Cited
US769294A Cited
US1259866A Cited
US2562479A Cited
US2887790A Cited
US2819541A Cited
US3048393A Cited
US2896970A Cited

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

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