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US2600064A Expired / Lapsed US ⏱️ 0.0 years remaining

Photographic element containing a processing liquid

Assignee: Polaroid Corp
•
Filing: 1948-10-09
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Granted: 1952-06-10
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Expires: 1968-10-09
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Abstract

No abstract record available.

Inventors

  • 👤 Jr William J Mccune

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 07:05
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/42

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 185 words
A PHOTOGRAPHIC PRODUCT COMPRISING A PHOTOSENSITIVE ASSEMBLY WHICH INCLUDES A FIRST PHOTOSENSITIVE LAYER, A BASE SUPPORTING SAID FIRST PHOTOSENSITIVE LAYER ON ONE SIDE THEREOF AND A SECOND PHOTOSENSITIVE LAYER SUPPORTED ON THE OTHER SIDE OF SAID BASE, SAID FIRST AND SEOCND PHOTOSENSITIVE LAYERS HAVING ALIGNED PREDETERMINED AREAS ADAPTED TO RECEIVE IMAGE-FORMING ACTINIC RADIATION; A LIQUID-CARRYING CONTAINER HAVING A PREDETERMINED QUANTITY OF LIQUID PROCESSING AGENT, SAID CONTAINER HAVING A DISCHARGE MOUTH ADJACENT AND EDGE OF SAID PREDETERMINED AREAS; MEANS PROVIDING A PASSAGE FOR SAID LIQUID PROCESSING AGENT FROM SAID ONE SIDE OF SAID PHOTOSENSITIVE ASSEMBLY TO SAID OTHER SIDE OF SAID PHOTOSENSITIVE ASSEMBLY; A BACKING LAYER ARRANGED TO ASSIST IN SPREADING SAID LIQUID PROCESSING AGENT ACROSS SAID FIRST PHOTOSENSITIVE LAYER, AND A SECOND BACKING LAYER AREANGED TO ASSIST IN SPREADING SAID LIQUID PROCESSING AGENT ACROSS THE SECOND PHOTOSENSITIVE LAYER, SAID TWO BACKING LAYERS BEING AT LEAST COEXTENSIVE IN AREA WITH SAID ALIGNED PREDETEMINED AREAS, THE ADJACENT SURFACES OF EACH PHOTOSENSITIVE LAYER AND ITS RESPECTIVE BACKING LAYER BEING SEPARABLE SO THAT LIQUID DISCHARGED FROM SAID CONTAINER MAY PASS BETWEEN EACH SAID PHOTOSENSITIVE LAYER AND ITS RESPECTIVEBACKING LAYER.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-06-10 1955-12-10 1956-06-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-06-10 1959-12-10 1960-06-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-06-10 1963-12-10 1964-06-10 $7700.00 Window Closed / Lapsed

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