Patent US3708323A successfully refreshed from Google Patents.
US3708323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Couplet transparency manufacturing process
Assignee: NCR Voyix Corp
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Filing: 1970-12-28
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Granted: 1973-01-02
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Expires: 1990-12-28
Abstract
Abstract A couplet transparency data display manufacturing system is disclosed wherein, of two sheets, an oversheet is a flexible carrier for solvent and the undersheet is a transparent polymeric material readily dissolved by the solvent of the carrier. Preferred for the oversheet is paper or a paper substitute capable of accepting printed information.
Inventors
- 👤 H Stroble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:01
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/124; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249994; Y10T428/249995; Y10T428/249997
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
24 words
The process of claim 1 wherein the oversheet is paper and wherein the capsules of the oversheet are substantially homogeneously distributed throughout the sheet.
Claim 2
Dependent Claim
25 words
The process of claim 1 wherein the capsules of the oversheet are present as a coated layer in contact with a surface of the undersheet.
Claim 3
Dependent Claim
16 words
The process of claim 1 wherein the transparent undersheet is releasably supported by a stiffening substrate.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |