US3349689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic treating apparatus
Assignee: Individual
•
Filing: 1964-03-09
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Granted: 1967-10-31
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Expires: 1984-03-09
Abstract
No abstract record available.
Inventors
- 👤 Werner W Buechner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:13
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/02; G03D3/06; G03D13/00; G03D13/02; G03D3/08; G03D3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
AN APPARATUS FOR CARRYING OUT MULTISTEP PHOTOGRAPHIC TREATMENTS IN A MULTIPLICITY OF DIFFERENT TREATING SOLUTIONS WHICH APPARATUS COMPRISES A BATH WHICH IS SUBDIVIDED BY TRANSVERSAL SEPARATORY WALLS INTO A MULTIPLICITY OF ESSENTIALLY WATER-TIGHT WORKING COMPARTMENTS SIDE BY SIDE AND REMOVABLY CONTAINED IN WORKING COMPARTMENTS OF SAID BATH IN SEALING RELATIONSHIP, UPRIGHT TREATING VESSELS HAVING AN ESSENTIALLY RECTANGULAR HORIZONTAL CROSS SECTION, AN OVERFLOW PASSAGE AT THE SEPARATORY WALLS AND A HORIZONTAL PASSAGEWAY BENEATH SAID VESSELS, AT LEAST ONE OF THE MEMBERS, SELECTED FROM THE TREATING VESSELS AND WORKING COMPARTMENTS, HAVING ON THEIR SIDES VERTICAL SEALING MEANS FOR ESTABLISHING A SEAL BETWEEN THESE MEMBERS UPON THE INSERTION OF THE TREATING VESSEL IN A WORKING COMPARTMENT OF SAID BATH, SUCH THAT TEMPERATURE CONDITIONING WATER, PASSING THROUGH THE BATH IN THE FORM OF A WIDE UNIDIRECTIONAL STREAM SUCCESSIVELY CIRCUMFLOWS, IN A GENERALLY VERTICAL DIRECTION, THE TREATING VESSELS, FLOWING DOWN ON THE UPSTREAM SIDE, UNDERFLOWING THE VESSEL AND FLOWING UP ON THE DOWNSTREAM SIDE OF THE VESSL.
Claim 2
Independent Claim
162 words
AN APPARATUS FOR CARRYING OUT MULTISTEP PHOTOGRAPHIC TREATMENTS IN A MULTIPLICITY OF DIFFERENT TREATING SOLUTIONS WHICH APPARATUS COMPRISES A BATH WHICH IS SUBDIVIDED BY TRANSVERSAL SEPARATORY WALLS INTO A MULTIPLICITY OF ESSENTIALLY WATER-TIGHT WORKING COMPARTMENTS SIDE BY SIDE AND REMOVABLY CONTAINED IN WORKING COMPARTMENTS OF SAID BATH IN SEALING RELATIONSHIP, UPRIGHT TREATING VESSELS HAVING AN ESSENTIALLY RECTANGULAR HORIZONTAL CROSS SECTION, AN OVERFLOW PASSAGE AT THE SEPARATORY WALLS AND A HORIZONTAL PASSAGEWAY BENEATH SAID VESSELS, AT LEAST ONE OF THE MEMBERS, SELECTED FROM THE TREATING VESSELS AND WORKING COMPARTMENTS, HAVING ON THEIR SIDES VERTICAL SEALING MEANS FOR ESTABLISHING A SEAL BETWEEN THESE MEMBERS UPON THE INSERTION OF THE TREATING VESSEL IN A WORKING COMPARTMENT OF SAID BATH, SUCH THAT TEMPERATURE CONDITIONING WATER, PASSING THROUGH THE BATH IN THE FORM OF A WIDE UNIDIRECTIONAL STREAM SUCCESSIVELY CIRCUMFLOWS, IN A GENERALLY VERTICAL DIRECTION, THE TREATING VESSELS, FLOWING DOWN ON THE UPSTREAM SIDE, UNDERFLOWING THE VESSEL AND FLOWING UP ON THE DOWNSTREAM SIDE OF THE VESSL.
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |