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US4095894A Expired / Lapsed US ⏱️ 0.0 years remaining

Microform card holder for microprinter

Assignee: Bankers Trust Co
•
Filing: 1977-07-03
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Granted: 1978-06-20
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Expires: 1997-07-03
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Abstract

Abstract A microform card holder with set screws for adjusting the position of a card held thereby relative to the optical path of a microprinter, including an adjustable bar member with pins to hold a perforated card.

Inventors

  • 👤 Robert George Holliday

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 17:06
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/62; G03B27/6271; G03B27/6292

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 108 words
A microform card holder for an office-type microprint copier, comprising: a platen comprised of a first frame containing a substantially transparent first plate member having at least one linear edge, and a bar member disposed along said edge; wherein, said bar member has at least one raised pin for engaging a perforation of a microform card; wherein, the corners of said bar member are at acute angles with respect to the edges thereof; and wherein said first frame has openings which accept four set screws adapted to adjustably impinge the four angled corners of said bar member to modify the position thereof with respect to said first frame.
Claim 2
Dependent Claim 108 words
A microform card holder for an office-type microprint copier, comprising: a platen comprised of a first frame containing a substantially transparent first plate member having at least one linear edge, and a bar member disposed along said edge; wherein, said bar member has at least one raised pin for engaging a perforation of a microform card; wherein, the corners of said bar member are at acute angles with respect to the edges thereof; and wherein said first frame has openings which accept four set screws adapted to adjustably impinge the four angled corners of said bar member to modify the position thereof with respect to said first frame.
Claim 3
Dependent Claim 59 words
The apparatus of claim 1 further comprising a cover for said platen, said cover being hinted to said first frame, and being comprised of a second frame containing a transparent second plate member, where said second plate member has at least one opening corresponding to said bar member pin, through which said pin fits when the cover is closed.

References Cited (Backward Citations)

US2122474A Cited
US2418226A Cited
US3634009A Cited
US3974582A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-06-19 1981-12-19 1982-06-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-06-19 1985-12-19 1986-06-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-06-19 1989-12-19 1990-06-20 $7700.00 Window Closed / Lapsed

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