Patent US4196582A successfully refreshed from Google Patents.
Patent US3349686A successfully refreshed from Google Patents.
US3349686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic treating apparatus
Assignee: Individual
•
Filing: 1964-02-04
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Granted: 1967-10-31
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Expires: 1984-02-04
Abstract
No abstract record available.
Inventors
- 👤 Werner W Buechner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:13
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/02; G03D13/04; G03D13/043; G03D13/046; G03D3/00; G03D3/02; G03D3/06; G03D3/08; G03D3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
AN APPARATUS FOR THE TREATMENT OF PHOTOGRAPHIC MATERIALS IN A MULTIPLICITY OF TREATING MEDIA, WHICH APPARATUS COMPRISES PRINCIPALLY A COMPARTMENTED BATH, REMOVABLY CONTAINED IN COMPARTMENTS OF SAID BATH A MULTIPLICITY OF PHOTOGRAPHIC CYLINDRICAL TREATING VESSELS AND WASHING VESSELS, SAID WASHING VESSELS HAVING OPENINGS THEREIN AND SAID TREATING VESSELS HAVING NO OPENINGS, SAID COMPARTMENTS HAVING MEANS FORMING OPENINGS THEREIN, SO THAT A UNIDIRECTIONAL STREAM OF A LIQUID MEDIUM PASSING THROUGH THE COMPARTMENTS OF THE BATH WILL FOLLOW AN ESSENTIALLY VERTICAL FLOW PATTERN, PASSING AROUND THE TREATING AND
Claim 2
Independent Claim
86 words
AN APPARATUS FOR THE TREATMENT OF PHOTOGRAPHIC MATERIALS IN A MULTIPLICITY OF TREATING MEDIA, WHICH APPARATUS COMPRISES PRINCIPALLY A COMPARTMENTED BATH, REMOVABLY CONTAINED IN COMPARTMENTS OF SAID BATH A MULTIPLICITY OF PHOTOGRAPHIC CYLINDRICAL TREATING VESSELS AND WASHING VESSELS, SAID WASHING VESSELS HAVING OPENINGS THEREIN AND SAID TREATING VESSELS HAVING NO OPENINGS, SAID COMPARTMENTS HAVING MEANS FORMING OPENINGS THEREIN, SO THAT A UNIDIRECTIONAL STREAM OF A LIQUID MEDIUM PASSING THROUGH THE COMPARTMENTS OF THE BATH WILL FOLLOW AN ESSENTIALLY VERTICAL FLOW PATTERN, PASSING AROUND THE TREATING AND
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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 |