Patent US4618878A successfully refreshed from Google Patents.
US3078024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processing apparatus for processing flexible sheet material requiring chemical treatment
Assignee: Pako Corp
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Filing: 1960-05-11
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Granted: 1963-02-19
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Expires: 1980-05-11
Abstract
No abstract record available.
Inventors
- 👤 Sardeson Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:23
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/08; G03D3/13; G03D3/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN PHOTOGRAPHIC PROCESSING APPARATUS FOR LIGHT SENSITIVE SHEET MATERIAL HAVING A TANK WITH PARALLEL SPACED DRIVEN FEED ROLLS DISPOSED THEREIN AND ALL ROTATING IN THE SAME DIRECTION, THE COMBINATION OF CONTACT ROLLS URGING THE MATERIAL INTO CONTACT WITH SAID FEED ROLLS INWARDLY OF AND REMOTE FROM THE ENDS OF THE ROLLS TO EFFECT A DRIVE BETWEEN SAID FEED ROLLS AND MATERIAL, SAID CONTACT ROLLS BEING PARALLEL WITH SAID FEED ROLLS AND HAVING THEIR AXES DISPOSED IN ADVANCE OF THE AXES OF THE FEED ROLLS WITH REFERENCE TO THE DIRECTION OF TRAVEL OF THE MATERIAL TO CAUSE THE MATERIAL LEAVING A FEED ROLL AND THE COMPANION CONTACT ROLL TO CANT TOWARD THE FOLLOWING FEED ROLL TO POSITIVELY DIRECT THE MATERIAL INTO THE BIGHT BETWEEN THE FOLLOWING FEED ROLL AND THE COMPANION CONTACT ROLL.
Claim 2
Dependent Claim
132 words
IN PHOTOGRAPHIC PROCESSING APPARATUS FOR LIGHT SENSITIVE SHEET MATERIAL HAVING A TANK WITH PARALLEL SPACED DRIVEN FEED ROLLS DISPOSED THEREIN AND ALL ROTATING IN THE SAME DIRECTION, THE COMBINATION OF CONTACT ROLLS URGING THE MATERIAL INTO CONTACT WITH SAID FEED ROLLS INWARDLY OF AND REMOTE FROM THE ENDS OF THE ROLLS TO EFFECT A DRIVE BETWEEN SAID FEED ROLLS AND MATERIAL, SAID CONTACT ROLLS BEING PARALLEL WITH SAID FEED ROLLS AND HAVING THEIR AXES DISPOSED IN ADVANCE OF THE AXES OF THE FEED ROLLS WITH REFERENCE TO THE DIRECTION OF TRAVEL OF THE MATERIAL TO CAUSE THE MATERIAL LEAVING A FEED ROLL AND THE COMPANION CONTACT ROLL TO CANT TOWARD THE FOLLOWING FEED ROLL TO POSITIVELY DIRECT THE MATERIAL INTO THE BIGHT BETWEEN THE FOLLOWING FEED ROLL AND THE COMPANION CONTACT ROLL.
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |