US3386355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic exposure and processing apparatus
Assignee: Polaroid Corp
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Filing: 1966-03-08
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Granted: 1968-06-04
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Expires: 1986-03-08
Abstract
No abstract record available.
Inventors
- 👤 Herman E Erikson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:03
CPC Classifications
G; G03; G03B; G03B42/00; G03B42/02; G03B42/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
PHOTOGRAPHIC APPARATUS FOR USE WITH A PHOTOSENSITIVE FILM UNIT OF THE SELF-DEVELOPING TYPE HAVING A PAIR OF LIQUID-CONFINING LAYERS, ONE OF WHICH INCLUDES A PREDETERMINED AREA ADAPTED TO TRANSMIT VISIBLE LIGHT, SAID APPARATUS COMPRISING, IN COMBINATION: (A) MEANS DEFINING A LIGHTTIGHT CHAMBER HAVING AN ENTRY PORTION FOR MOVEMENT OF SAID FILM UNIT INTO SAID CHAMBER; (B) SPREADING MEANS POSITIONED ADJACENT SAID ENTRY PORTION AND ADAPTED TO EFFECT THE SPREADING OF A LIQUID PROCESSING COMPOSITION BETWEEN SAID LAYERS AS SAID FILM UNIT IS MOVED INTO SAID CHAMBER; (C) A LIGHT SOURCE POSITIONED WITHIN SAID CHAMBER AND ADAPTED, UPON ACTUATION, TO EMIT VISIBLE LIGHT; (D) POSITIONING MEANS FOR HOLDING SAID FILM UNIT IN AN EXPOSURE POSITION WITHIN SAID CHAMBER WHEREIN SAID PREDETERMINED AREA OF SAID ONE LAYER IS IN THE PATH OF LIGHT FROM SAID SOURCE; (E) MEANS FOR POSITIONING INDICIA-CARRYING MEANS BETWEEN SAID LIGHT SOURCE AND SAID PREDETERMINED AREA, WHEREBY AN IMAGE OF THE INDICIA IS FORMED IN THE PHOTOSENSITIVE LAYER OF SAID FILM UNIT IN SAID PREDETERMINED AREA UPON ACTUATION OF SAID LIGHT SOURCE; AND
Claim 2
Dependent Claim
175 words
PHOTOGRAPHIC APPARATUS FOR USE WITH A PHOTOSENSITIVE FILM UNIT OF THE SELF-DEVELOPING TYPE HAVING A PAIR OF LIQUID-CONFINING LAYERS, ONE OF WHICH INCLUDES A PREDETERMINED AREA ADAPTED TO TRANSMIT VISIBLE LIGHT, SAID APPARATUS COMPRISING, IN COMBINATION: (A) MEANS DEFINING A LIGHTTIGHT CHAMBER HAVING AN ENTRY PORTION FOR MOVEMENT OF SAID FILM UNIT INTO SAID CHAMBER; (B) SPREADING MEANS POSITIONED ADJACENT SAID ENTRY PORTION AND ADAPTED TO EFFECT THE SPREADING OF A LIQUID PROCESSING COMPOSITION BETWEEN SAID LAYERS AS SAID FILM UNIT IS MOVED INTO SAID CHAMBER; (C) A LIGHT SOURCE POSITIONED WITHIN SAID CHAMBER AND ADAPTED, UPON ACTUATION, TO EMIT VISIBLE LIGHT; (D) POSITIONING MEANS FOR HOLDING SAID FILM UNIT IN AN EXPOSURE POSITION WITHIN SAID CHAMBER WHEREIN SAID PREDETERMINED AREA OF SAID ONE LAYER IS IN THE PATH OF LIGHT FROM SAID SOURCE; (E) MEANS FOR POSITIONING INDICIA-CARRYING MEANS BETWEEN SAID LIGHT SOURCE AND SAID PREDETERMINED AREA, WHEREBY AN IMAGE OF THE INDICIA IS FORMED IN THE PHOTOSENSITIVE LAYER OF SAID FILM UNIT IN SAID PREDETERMINED AREA UPON ACTUATION OF SAID LIGHT SOURCE; AND
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) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |