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US3582335A Expired / Lapsed US ⏱️ 0.0 years remaining

Film unit having sensitive layer and receiving layer with common web for face to face contact

Assignee: Polaroid Corp
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Filing: 1967-02-21
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Granted: 1971-06-01
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Expires: 1987-02-21
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Abstract

Abstract A PHOTOGRAPHIC FILM ASSEMBLAGE ADAPTED TO BE EXPOSED AND PROCESSED WITHIN A CAMERA TO PRODUCE A TRANSFER IMAGE. THE FILM ASSEMBLAGE INCLUDES A CARRIER SHEET, A SECOND SHEET HAVING A LENGTH LESS THAN ONE-HALF THE LENGTH OF THE CARRIER SHEET AND AN IMAGE-CONTAINING ELEMENT ADAPTED TO COOPERATE WITH THE SECOND SHEET DURING PROCESSING BY A LIQUID COMPOSITION DISTRIBUTED BETWEEN THE SECOND SHEET AND IMAGE-CONTAINING ELEMENT. IN ONE EMBODIMENT, EITHER THE SECOND SHEET OR THE IMAGE-CONTAINING ELEMENT INCLUDES A PHOTOSENSITIVE LAYER AFAPTED TO BE EXPOSED TO FORM AN IMAGE AND THE OTHER INCLUDES AN IMAGERECEPTIVE LAYER FOR SUPPORTING A TRANSFER IMAGE. THE IMAGE CONTAINING ELEMENTS IT CARRIED BY THE CARRIER SHEET AND THE SECOND SHEET IS MOUNTED ON THE CARRIER SHEET FOR PIVOTAL MOVEMENT THROUGH 180* RELATIVE TO THE CARRIER SHEET AND IMAGE-CONTAINING ELEMENT ABOUT AN AXIS SUBSTANTIALLY IN THE CARRIER SHEET. THE SECOND SHEET IS INITIALLY POSITIONED WITH RESPECT TO THE CARRIER SHEET SUCH THAT ONE SIDE OF THE SECOND SHEET FACES THE CARRIER SHEET. BOTH THE SECOND SHEET AND THE IMAGE-CONTAINING ELEMENT INITIALLY ARE SYMETRICALLY POSITIONED WITH RESPECT TO THE PIVOTAL AXIS ON OPPOSITE SIDES THEREOF SUCH THAT THE OTHER SIDE OF THE SECOND SHEET WILL BE LOCATED IN FACE-TO-FACE RELATION WITH THE IMAGE-CONTAINING ELEMENT UPON PIVOTAL MOVEMENT OF THE SECOND SHEET THROUGH 180* ABOUT THE AXIS.

Inventors

  • 👤 Irving Erlichman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 17:05
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/48; G03B17/50; G03B17/52; G03B17/28; G03B17/32; G03B17/34

Claims Analysis

Total Claims: 0
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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) 1974-05-31 1974-11-30 1975-06-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-05-31 1978-11-30 1979-06-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-05-31 1982-11-30 1983-06-01 $7700.00 Window Closed / Lapsed

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