US3292519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic print processor
Assignee: Individual
•
Filing: 1964-07-20
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Granted: 1966-12-20
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Expires: 1984-07-20
Abstract
No abstract record available.
Inventors
- 👤 Cletus J Hallquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:16
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/02; G03D13/04; G03D13/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A PHOTOGRAPHIC FILM-DEVELOPING DEVICE COMPRISING: (A) AN OPEN-TOP CHAMBER FOR RECEPTION OF A PREDETERMINED AMOUNT OF DEVELOPING FLUID, (B) SAID CHAMBER HAVING GENERALLY UPRIGHT END WALLS, A BOTTOM WALL, AND OPPOSED SIDE WALLS, (C) MEANS MOUNTING SAID HOUSING FOR PIVOTAL ROCKING MOVEMENTS ABOUT A HORIZONTAL AXIS OFFSET IN THE DIRECTION OF ONE OF SAID SIDE WALLS FROM A VERTICAL LINE BISECTING SAID END WALLS, (D) POWER-OPERATED MEANS ENGAGEABLE WITH SAID HOUSING IN OFFSET RELATION TOWARD THE OTHER OF SAID SIDE WALLS FROM SAID VERTICAL LINE, WHEREBY TO IMPART AN OSCILLATORY FLOW TO THE FLUID WITHIN SAID CHAMBER, (E) COVER MEANS FOR SAID OPEN-TOP CHAMBER AND POSITIVELY EXCLUSING LIGHT THEREFROM, (F) MEANS WITHIN SAID CHAMBER AND ASSOCIATED WITH SAID END WALLS DEFINING A PLURALITY OF OPPOSED CONCENTRICALLY ARRANGED ARCUATE FILM-RECEIVING GROOVES, THE AXES OF WHICH ARE INTERMEDIATE SAID PIVOT AXIS AND THE POINT OF ENGAGEMENT OF SAID POWER MEANS WITH SAID HOUSING AND PARALLEL TO THE FORMER.
Claim 2
Dependent Claim
156 words
A PHOTOGRAPHIC FILM-DEVELOPING DEVICE COMPRISING: (A) AN OPEN-TOP CHAMBER FOR RECEPTION OF A PREDETERMINED AMOUNT OF DEVELOPING FLUID, (B) SAID CHAMBER HAVING GENERALLY UPRIGHT END WALLS, A BOTTOM WALL, AND OPPOSED SIDE WALLS, (C) MEANS MOUNTING SAID HOUSING FOR PIVOTAL ROCKING MOVEMENTS ABOUT A HORIZONTAL AXIS OFFSET IN THE DIRECTION OF ONE OF SAID SIDE WALLS FROM A VERTICAL LINE BISECTING SAID END WALLS, (D) POWER-OPERATED MEANS ENGAGEABLE WITH SAID HOUSING IN OFFSET RELATION TOWARD THE OTHER OF SAID SIDE WALLS FROM SAID VERTICAL LINE, WHEREBY TO IMPART AN OSCILLATORY FLOW TO THE FLUID WITHIN SAID CHAMBER, (E) COVER MEANS FOR SAID OPEN-TOP CHAMBER AND POSITIVELY EXCLUSING LIGHT THEREFROM, (F) MEANS WITHIN SAID CHAMBER AND ASSOCIATED WITH SAID END WALLS DEFINING A PLURALITY OF OPPOSED CONCENTRICALLY ARRANGED ARCUATE FILM-RECEIVING GROOVES, THE AXES OF WHICH ARE INTERMEDIATE SAID PIVOT AXIS AND THE POINT OF ENGAGEMENT OF SAID POWER MEANS WITH SAID HOUSING AND PARALLEL TO THE FORMER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |