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US4436441A Expired / Lapsed US ⏱️ 0.0 years remaining

Typewriter accessory device for bold face typing

Assignee: Individual
•
Filing: 1982-07-06
•
Granted: 1984-03-13
•
Expires: 2002-07-06
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Abstract

Abstract Device for use with a typewriter having manual half back space lever to permit making bold face characters. When bold face typing is desired, the device is removably secured to the typewriter, adjacent to the half-space lever, to permit incremental adjustment of the lever and typewriter carriage. By proper adjustment of the lever with the device, restruck characters can be made to have the appearance of bold face.

Inventors

  • 👤 George R. Robert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 12:54
CPC Classifications
B; B41; B41J; B41J3/00; B41J3/30

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 83 words
A device for creating bold type for use with a typewriter having a half-space lever, the device comprising: (a) a frame adapted to be positioned adjacent the half-space lever said frame having: (i) a base with securing lugs affixed to said base, and (ii) a support member integral with said base, (b) first means adjustably mounted on said support member for contacting said lever, (c) and second means for securing said first means into a pre-selected position with respect to said support member.
Claim 2
Independent Claim 83 words
A device for creating bold type for use with a typewriter having a half-space lever, the device comprising: (a) a frame adapted to be positioned adjacent the half-space lever said frame having: (i) a base with securing lugs affixed to said base, and (ii) a support member integral with said base, (b) first means adjustably mounted on said support member for contacting said lever, (c) and second means for securing said first means into a pre-selected position with respect to said support member.
Claim 3
Dependent Claim 25 words
Device of claim 1 wherein said first means is a screw having at one end a wing portion to permit finger adjustment of said screw.
Claim 4
Dependent Claim 15 words
Device of claim 2 wherein said second means is a lock nut on said screw.

References Cited (Backward Citations)

US597038A Cited
US1316727A Cited
US1950761A Cited
US2410708A Cited
US2544998A Cited
US3270851A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-03-13 1987-09-12 1988-03-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-03-13 1991-09-12 1992-03-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-03-13 1995-09-12 1996-03-13 $7700.00 Window Closed / Lapsed

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