US3249031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic apparatus for treating a sheet with a liquid
Assignee: Polaroid Corp
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Filing: 1964-02-07
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Granted: 1966-05-03
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Expires: 1984-02-07
Abstract
No abstract record available.
Inventors
- 👤 Gold Nicholas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:35
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/48; G03B17/50; G03B17/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN PHOTOGRAPHIC APPARATUS FOR TREATING SUCCESSIVE EXPOSED AREAS OF A PHOTOGRAPHIC IMAGE-RECORDING SHEET WITH A VISCOUS LIQUID DISPENSED FROM SUCCESSIVE SECTIONS OF AN ELONGATED TUBE FILLED WITH SAID LIQUID, INCLUDING MEANS FOR MOVING SAID SECTIONS OF AID TUBE LENGTHWISE RECEIVING TO AND ACROSS SAID SHEET AND MEANS FOR FORMING AN OPENING IN SAID TUBE AT THE TRAILING END OF EACH OF SAID SECTIONS THROUGH WHICH SAID LIQUID IS DISPENSED FROM SAID EACH SECTION ONTO SAID SHEET, IN COMBINATION: A PAIR OF GUIDE MEMBERS POSITIONED FOR ENGAGING SAID TUBE ADJACENT THE ENDS OF EACH OF SAID SECTIONS AND SUPPORTING SAID SECTIONS ADJACENT SAID SHEET; AND COMPRESSION MEANS INCLUDING ONE OF SAID GUIDE MEMBERS FOR COMPRESSING SAID TUBE TO DISCHARGE SAID LIQUID FROM EACH OF SAID SECTIONS THROUGH AN OPENING AT THE TRAILING END OF SAID SECTION DURING MOVEMENT OF SAID EACH SECTION TOWARD SAID GUIDE MEMBER, SAID COMPRESSION MEANS INCLUDING MEANS FOR ALTERNATELY COMPRESSING SPACED PORTIONS OF SAID TUBE AGAINST SAID ONE GUIDE MEMBER.
Claim 2
Dependent Claim
163 words
IN PHOTOGRAPHIC APPARATUS FOR TREATING SUCCESSIVE EXPOSED AREAS OF A PHOTOGRAPHIC IMAGE-RECORDING SHEET WITH A VISCOUS LIQUID DISPENSED FROM SUCCESSIVE SECTIONS OF AN ELONGATED TUBE FILLED WITH SAID LIQUID, INCLUDING MEANS FOR MOVING SAID SECTIONS OF AID TUBE LENGTHWISE RECEIVING TO AND ACROSS SAID SHEET AND MEANS FOR FORMING AN OPENING IN SAID TUBE AT THE TRAILING END OF EACH OF SAID SECTIONS THROUGH WHICH SAID LIQUID IS DISPENSED FROM SAID EACH SECTION ONTO SAID SHEET, IN COMBINATION: A PAIR OF GUIDE MEMBERS POSITIONED FOR ENGAGING SAID TUBE ADJACENT THE ENDS OF EACH OF SAID SECTIONS AND SUPPORTING SAID SECTIONS ADJACENT SAID SHEET; AND COMPRESSION MEANS INCLUDING ONE OF SAID GUIDE MEMBERS FOR COMPRESSING SAID TUBE TO DISCHARGE SAID LIQUID FROM EACH OF SAID SECTIONS THROUGH AN OPENING AT THE TRAILING END OF SAID SECTION DURING MOVEMENT OF SAID EACH SECTION TOWARD SAID GUIDE MEMBER, SAID COMPRESSION MEANS INCLUDING MEANS FOR ALTERNATELY COMPRESSING SPACED PORTIONS OF SAID TUBE AGAINST SAID ONE GUIDE MEMBER.
References Cited (Backward Citations)
US3037670A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |