Patent US1528099A successfully refreshed from Google Patents.
Patent US3132572A successfully refreshed from Google Patents.
US3132572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic processing apparatus
Assignee: Polaroid Corp
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Filing: 1962-06-18
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Granted: 1964-05-12
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Expires: 1982-06-18
Abstract
No abstract record available.
Inventors
- 👤 Rogers B Downey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:35
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/48; G03B17/50; G03B17/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
223 words
IN A PHOTOGRAPHIC APPARATUS INCLUDING A PAIR OF JUXTAPOSED MEMBERS PROVIDING A PASSAGE THEREBETWEEN THROUGH WHICH A PAIR OF PHOTOGRAPHIC SHEETS ARE MOVED IN SUPERPOSITION FOR DISTRIBUTING A PROCESSING LIQUID BETWEEN SAID SHEETS, MEANS FOR PREVENTING THE ESCAPE OF SAID LIQUID FROM BETWEEN SAID SHEETS AT THE LATERAL EDGES THEREOF DURING MOVEMENT OF SAID SHEETS THROUGH SAID PASSAGE AND DISTRIBUTION OF SAID LIQUID BETWEEN SAID SHEETS, SAID MEANS COMPRISING, IN COMBINATION: MEANS PROVIDING FIRST AND SECOND PAIRS OF SHEET ENGAGEMENT ELEMENTS; SUPPORT MEANS FOR MOUNTING SAID ELEMENTS OF SAID FIRST PAIR IN POSITION TO ENGAGE THE LATERAL MARGINS OF ONE OF SAID SHEETS CLOSELY ADJACENT SAID MEMBERS AT THE ENTRANCE TO SAID PASSAGE; SAID SUPPORT MEANS INCLUDING SPRING MEANS MOUNTING SAID ELEMENTS OF SAID SECOND PAIR IN JUXTAPOSITION WITH SAID ELEMENTS OF SAID FIRST PAIR IN POSITION TO ENGAGE THE LATERAL MARGINS OF THE ORTHE OF SAIDS SHEETS; SAID SPRING MEANS BIASING SAID ELEMENTS OF SAID SECOND PAIR TOWARD SAID ELEMENTS OF SAID FIRST PAIR TO APPLY COMPRESSIVE PRESSURE TO SAID LATERAL MARGINS OF SAID SHEETS; AND MEANS MOUNTING SAID SUPPORT MEANS FOR MOVEMENT TRANSVERSELY OF THE DIRECTION OF MOVEMENT OF SAID SHEETS BETWEEN SAID MEMBERS; SAID SUPPORT MEANS INCLUDING GUIDE MEANS FOR ENGAGING THE LATERAL EDGES OF SAID SHEETS FOR LOCATING SAID ELEMENTS IN ENGAGEMENT WITH SAID LATERAL MARGINS OF SAID SHEETS.
Claim 2
Dependent Claim
223 words
IN A PHOTOGRAPHIC APPARATUS INCLUDING A PAIR OF JUXTAPOSED MEMBERS PROVIDING A PASSAGE THEREBETWEEN THROUGH WHICH A PAIR OF PHOTOGRAPHIC SHEETS ARE MOVED IN SUPERPOSITION FOR DISTRIBUTING A PROCESSING LIQUID BETWEEN SAID SHEETS, MEANS FOR PREVENTING THE ESCAPE OF SAID LIQUID FROM BETWEEN SAID SHEETS AT THE LATERAL EDGES THEREOF DURING MOVEMENT OF SAID SHEETS THROUGH SAID PASSAGE AND DISTRIBUTION OF SAID LIQUID BETWEEN SAID SHEETS, SAID MEANS COMPRISING, IN COMBINATION: MEANS PROVIDING FIRST AND SECOND PAIRS OF SHEET ENGAGEMENT ELEMENTS; SUPPORT MEANS FOR MOUNTING SAID ELEMENTS OF SAID FIRST PAIR IN POSITION TO ENGAGE THE LATERAL MARGINS OF ONE OF SAID SHEETS CLOSELY ADJACENT SAID MEMBERS AT THE ENTRANCE TO SAID PASSAGE; SAID SUPPORT MEANS INCLUDING SPRING MEANS MOUNTING SAID ELEMENTS OF SAID SECOND PAIR IN JUXTAPOSITION WITH SAID ELEMENTS OF SAID FIRST PAIR IN POSITION TO ENGAGE THE LATERAL MARGINS OF THE ORTHE OF SAIDS SHEETS; SAID SPRING MEANS BIASING SAID ELEMENTS OF SAID SECOND PAIR TOWARD SAID ELEMENTS OF SAID FIRST PAIR TO APPLY COMPRESSIVE PRESSURE TO SAID LATERAL MARGINS OF SAID SHEETS; AND MEANS MOUNTING SAID SUPPORT MEANS FOR MOVEMENT TRANSVERSELY OF THE DIRECTION OF MOVEMENT OF SAID SHEETS BETWEEN SAID MEMBERS; SAID SUPPORT MEANS INCLUDING GUIDE MEANS FOR ENGAGING THE LATERAL EDGES OF SAID SHEETS FOR LOCATING SAID ELEMENTS IN ENGAGEMENT WITH SAID LATERAL MARGINS OF SAID SHEETS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |