US3108525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic apparatus
Assignee: Polaroid Corp
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Filing: 1960-11-25
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Granted: 1963-10-29
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Expires: 1980-11-25
Abstract
No abstract record available.
Inventors
- 👤 Jr William H Eburn
- 👤 Otto E Wolff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:10
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/48; G03B17/50; G03B17/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
PHOTOGRAPHIC APPARATUS FOR TREATING A PHOTOGRAPHIC FILM UNIT WHICH INCLUDES A LEADER BY WHICH SAID FILM UNIT IS DRAWN THROUGH AND FROM SAID APPARATUS, SAID APPARATUS COMPRISING, IN COMBINATION: A PAIR OF PRESSURE-APPLYING MEMBERS; MEANS MOUNTING SAID MEMBERS IN JUXTAPOSITION AND FOR LIMITED MOVEMENT TOWARD AND AWAY FROM ONE ANOTHER, SAID JUXTAPOSED MEMBERS PROVIDING MEANS FOR DISTRIBUTING A FLUID WITHIN SAID FILM UNIT AS SAID FILM UNIT IS MOVED BETWEEN SAID MEMBERS; MEANS FOR BIASING SAID JUXTAPOSED MEMBERS TOWARD ONE ANOTHER; AN ELEMENT MOVABLE IN ENGAGEMENT WITH SAID LEADER FROM A FIRST POSITION AT ONE SIDE OF SAID MEMBERS, BETWEEN SAID MEMBERS TO A SECOND POSITION AT THE OPPOSITE SIDE OF SAID MEMBERS; DRIVE MEANS COUPLED WITH SAID ELEMENT FOR MOVING SAID ELEMENT BETWEEN SAID FIRST AND SECOND POSITIONS; AND MEANS COUPLED WITH SAID DRIVE MEANS AND RESPONSIVE THERETO FOR COACTING WITH AT LEAST ONE OF SAID PRESSUREAPPLYING MEMBERS, SAID MEANS MOUNTING SAID MEMBERS AND SAID MEANS FOR BIASING SAID MEMBERS TOWARD ONE ANOTHER, TO RELIEVE THE PRESSURE EXERTED BY SAID MEMBERS ON SAID ELEMENT AND SAID LEADER FOR AS LONG AS SAID ELEMENT IS DISPOSED BETWEEN SAID PRESSURE-APPLYING MEMBERS.
Claim 2
Dependent Claim
190 words
PHOTOGRAPHIC APPARATUS FOR TREATING A PHOTOGRAPHIC FILM UNIT WHICH INCLUDES A LEADER BY WHICH SAID FILM UNIT IS DRAWN THROUGH AND FROM SAID APPARATUS, SAID APPARATUS COMPRISING, IN COMBINATION: A PAIR OF PRESSURE-APPLYING MEMBERS; MEANS MOUNTING SAID MEMBERS IN JUXTAPOSITION AND FOR LIMITED MOVEMENT TOWARD AND AWAY FROM ONE ANOTHER, SAID JUXTAPOSED MEMBERS PROVIDING MEANS FOR DISTRIBUTING A FLUID WITHIN SAID FILM UNIT AS SAID FILM UNIT IS MOVED BETWEEN SAID MEMBERS; MEANS FOR BIASING SAID JUXTAPOSED MEMBERS TOWARD ONE ANOTHER; AN ELEMENT MOVABLE IN ENGAGEMENT WITH SAID LEADER FROM A FIRST POSITION AT ONE SIDE OF SAID MEMBERS, BETWEEN SAID MEMBERS TO A SECOND POSITION AT THE OPPOSITE SIDE OF SAID MEMBERS; DRIVE MEANS COUPLED WITH SAID ELEMENT FOR MOVING SAID ELEMENT BETWEEN SAID FIRST AND SECOND POSITIONS; AND MEANS COUPLED WITH SAID DRIVE MEANS AND RESPONSIVE THERETO FOR COACTING WITH AT LEAST ONE OF SAID PRESSUREAPPLYING MEMBERS, SAID MEANS MOUNTING SAID MEMBERS AND SAID MEANS FOR BIASING SAID MEMBERS TOWARD ONE ANOTHER, TO RELIEVE THE PRESSURE EXERTED BY SAID MEMBERS ON SAID ELEMENT AND SAID LEADER FOR AS LONG AS SAID ELEMENT IS DISPOSED BETWEEN SAID PRESSURE-APPLYING MEMBERS.
References Cited (Backward Citations)
US2873659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |