US3254583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic apparatus and product useful therein
Assignee: Polaroid Corp
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Filing: 1963-07-31
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Granted: 1966-06-07
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Expires: 1983-07-31
Abstract
No abstract record available.
Inventors
- 👤 Edwin H Land
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:46
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/48; G03B17/50; G03B17/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
IN PHOTOGRAPHIC APPARATUS FOR EXPOSING AND THEREAFTER TREATING WITH A LIQUID SUCCESSIVE PORTIONS OF A PHOTOSENSITIVE IMAGE-RECORDING SHEET, IN COMBINATION: A PAIR OF JUXTAPOSED MEMBERS FOR PRESSING SUCCESSIVE EXPOSED PORTIONS OF SAID IMAGE-RECORDING SHEET INTO SUPERPOSITION WITH SUCCESSIVE PORTIONS OF A SECOND SHEET IMPREGNATED WITH SAID LIQUID; CLOSURE MEANS FOR A CONTAINER; SAID CLOSURE MEANS INCLUDING SECTIONS MOVABLE BETWEEN A FIRST POSITION IN WHICH SAID SECTIONS DEFINE AS OPENING THROUGH WHICH A PORTION OF SAID LIQUID IMPREGNATED SECOND SHEET IS WITHDRAWN FROM SAID CONTAINER, AND A SECOND POSITION IN WHICH SAID SECTIONS ENGAGE SAID SECOND SHEET AND SUBSTANTIALLY SEAL SAID OPENING AGAINST PASSAGE OF GAS THERETHROUGH; MEANS FOR RETAINING SAID SECTIONS OF SAID CLOSURE MEANS IN SAID SECOND POSITION; AND MEANS FOR MOVING SAID SECTIONS OF SAID CLOSURE MEANS INTO SAID FIRST POSITION TO PERMIT MOVEMENT OF ONE OF SAID PORTIONS OF SAID SECOND SHEET THROUGH SAID OPENING INTO SUPERPOSITION WITH SAID IMAGE-RECORDING SHEET.
Claim 2
Dependent Claim
154 words
IN PHOTOGRAPHIC APPARATUS FOR EXPOSING AND THEREAFTER TREATING WITH A LIQUID SUCCESSIVE PORTIONS OF A PHOTOSENSITIVE IMAGE-RECORDING SHEET, IN COMBINATION: A PAIR OF JUXTAPOSED MEMBERS FOR PRESSING SUCCESSIVE EXPOSED PORTIONS OF SAID IMAGE-RECORDING SHEET INTO SUPERPOSITION WITH SUCCESSIVE PORTIONS OF A SECOND SHEET IMPREGNATED WITH SAID LIQUID; CLOSURE MEANS FOR A CONTAINER; SAID CLOSURE MEANS INCLUDING SECTIONS MOVABLE BETWEEN A FIRST POSITION IN WHICH SAID SECTIONS DEFINE AS OPENING THROUGH WHICH A PORTION OF SAID LIQUID IMPREGNATED SECOND SHEET IS WITHDRAWN FROM SAID CONTAINER, AND A SECOND POSITION IN WHICH SAID SECTIONS ENGAGE SAID SECOND SHEET AND SUBSTANTIALLY SEAL SAID OPENING AGAINST PASSAGE OF GAS THERETHROUGH; MEANS FOR RETAINING SAID SECTIONS OF SAID CLOSURE MEANS IN SAID SECOND POSITION; AND MEANS FOR MOVING SAID SECTIONS OF SAID CLOSURE MEANS INTO SAID FIRST POSITION TO PERMIT MOVEMENT OF ONE OF SAID PORTIONS OF SAID SECOND SHEET THROUGH SAID OPENING INTO SUPERPOSITION WITH SAID IMAGE-RECORDING SHEET.
References Cited (Backward Citations)
US2706937A
Cited
US3073228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |