Patent US2868909A successfully refreshed from Google Patents.
Patent US3997992A successfully refreshed from Google Patents.
US3997992A
Expired / Lapsed
US
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Film record card
Assignee: Microseal Corp
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Filing: 1974-03-29
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Granted: 1976-12-21
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Expires: 1994-03-29
Abstract
Abstract This invention is directed to film record cards and is more particularly directed to a film record card of the type wherein microfilm strips or the like are mounted in film pockets formed by two films overlying apertures of the film record card. These film strips are reproducible without being removed from the record card. At least part of one aperture is covered by a semi-opaque, ink-receptive coating serving as a reproducible index area.
Inventors
- 👤 Thomas P. Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:38
CPC Classifications
B; B42; B42F; B42F5/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
119 words
A microfilm record card comprising: a card stock having a plurality of apertures formed therein, a first transparent enveloping member secured to one face of said card stock and underlying all of said apertures, a translucent semi-opaque ink receptive coating carried directly on at least one portion of said enveloping member and disposed within the area defined by at least one of said apertures to accommodate the reception of inked indicia, and a second transparent enveloping member overlying all of said apertures but for those exposing said translucent semi-opaque ink receptive coating carried on said first mentioned enveloping member, whereby said enveloping members define film pockets at each of said apertures but for those exposing said ink receptive coating.
Claim 2
Dependent Claim
119 words
A microfilm record card comprising: a card stock having a plurality of apertures formed therein, a first transparent enveloping member secured to one face of said card stock and underlying all of said apertures, a translucent semi-opaque ink receptive coating carried directly on at least one portion of said enveloping member and disposed within the area defined by at least one of said apertures to accommodate the reception of inked indicia, and a second transparent enveloping member overlying all of said apertures but for those exposing said translucent semi-opaque ink receptive coating carried on said first mentioned enveloping member, whereby said enveloping members define film pockets at each of said apertures but for those exposing said ink receptive coating.
Claim 3
Dependent Claim
37 words
The microfilm record card as defined in claim 1 wherein said translucent semi-opaque ink receptive coating is carried on the side of the first mentioned enveloping member adhered to said first mentioned face of said card stock.
References Cited (Backward Citations)
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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) | 1979-12-21 | 1980-06-21 | 1980-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-12-21 | 1984-06-21 | 1984-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-12-21 | 1988-06-21 | 1988-12-21 | $7700.00 | Window Closed / Lapsed |