US2600064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic element containing a processing liquid
Assignee: Polaroid Corp
•
Filing: 1948-10-09
•
Granted: 1952-06-10
•
Expires: 1968-10-09
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.
References Cited (Backward Citations)
US1848814A
Cited
US916325A
Cited
US1231581A
Cited
DE370821C
Cited
US1536345A
Cited
US1563228A
Cited
US2036369A
Cited
US2126769A
Cited
US2186637A
Cited
US2144392A
Cited
US2211498A
Cited
US2299693A
Cited
US2286748A
Cited
US2347640A
Cited
US2409153A
Cited
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 |