US3438708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making a deletion of film data during the print producing phase
Assignee: Universal Oil Products Co
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Filing: 1966-11-14
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Granted: 1969-04-15
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Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Fletcher Thorne-Thomsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:42
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN EFFECTING THE REPRODUCTION OF A DRAWING FROM A FILM WITH A READER-PRINTER TYPE UNIT HAVING A FILM HOLDER MEANS, A LIGHT SOURCE, A VIEWING SCREEN, A SUPPLY OF SENSITIZED PRINTING PAPER, INTERNAL MIRROR MEANS FOR PROJECTING AN IMAGE ONTO THE VIEWING SCREEN AND OPTIONALLY TO THE PRINTING PAPER, AND MEANS FOR PRODUCING AN ENLARGED PRINTED REPRODUCTION OF SAID FILM, THE IMPROVED METHOD FOR PROVIDING A FINISHED PRINT HAVING A DELETION OF MATERIAL WITH RESPECT TO THAT SHOWING ON THE FILM, WHICH COMPRISES THE STEPS OF PLACING THE FILM IN THE UNIT AND PROJECTING AN IMAGE THEREOF ON THE READER SCREEN, POSITIONING A TRANSPARENT MATRIX SHEET OVER THE PROJECTED IMAGE ON
Claim 2
Dependent Claim
111 words
IN EFFECTING THE REPRODUCTION OF A DRAWING FROM A FILM WITH A READER-PRINTER TYPE UNIT HAVING A FILM HOLDER MEANS, A LIGHT SOURCE, A VIEWING SCREEN, A SUPPLY OF SENSITIZED PRINTING PAPER, INTERNAL MIRROR MEANS FOR PROJECTING AN IMAGE ONTO THE VIEWING SCREEN AND OPTIONALLY TO THE PRINTING PAPER, AND MEANS FOR PRODUCING AN ENLARGED PRINTED REPRODUCTION OF SAID FILM, THE IMPROVED METHOD FOR PROVIDING A FINISHED PRINT HAVING A DELETION OF MATERIAL WITH RESPECT TO THAT SHOWING ON THE FILM, WHICH COMPRISES THE STEPS OF PLACING THE FILM IN THE UNIT AND PROJECTING AN IMAGE THEREOF ON THE READER SCREEN, POSITIONING A TRANSPARENT MATRIX SHEET OVER THE PROJECTED IMAGE ON
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) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |