US3304850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for processing photographic materials
Assignee: Individual
•
Filing: 1964-03-12
•
Granted: 1967-02-21
•
Expires: 1984-03-12
Abstract
No abstract record available.
Inventors
- 👤 Gall Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:15
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/02; G03D13/04; G03D13/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
AN APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC SHEET MATERIAL SUCH AS FILMS OR PRINTS, COMPRISING A CONTAINER ADAPTED TO RECEIVE A PROCESSING LIQUID, A DRUM IMMERSED INTO SAID LIQUID AND ADAPTED TO ROTATE CONTINUOUSLY IN ONE DIRECTION THEREIN, AND MECHANISM FOR CONNECTING SAID PHOTOGRAPHIC MATERIAL TO SAID DRUM FOR TREATMENT BY SAID PROCESSING LIQUID; SAID MECHANISM COMPRISING AT LEAST ONE BAR, SUPPORT MEANS FOR SECURING SAID BAR TO SAID DRUM ADJACENT THE OUTER PERIPHERAL SURFACE OF SAID DRUM AND SUBSTANTIALLY PARALLEL TO THE AXIS OF SAID DRUM, SAID BAR HAVING AN INNER EDGE PORTION RADIALLY SPACED FROM SAID OUTER SURFACE AND FORMING THEREWITH A CONTINUOUS SLOT FOR THE PASSAGE OF SAID PROCESSING LIQUID THERETHROUGH DURING THE ROTATION OF SAID DRUM, AND GRIPPER MEANS DISPOSED NEAR THE ENDS OF SAID SLOT FOR REMOVABLY CONNECTING SAID PHOTOGRAPHIC SHEET MATERIAL TO SAID BAR.
Claim 2
Independent Claim
139 words
AN APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC SHEET MATERIAL SUCH AS FILMS OR PRINTS, COMPRISING A CONTAINER ADAPTED TO RECEIVE A PROCESSING LIQUID, A DRUM IMMERSED INTO SAID LIQUID AND ADAPTED TO ROTATE CONTINUOUSLY IN ONE DIRECTION THEREIN, AND MECHANISM FOR CONNECTING SAID PHOTOGRAPHIC MATERIAL TO SAID DRUM FOR TREATMENT BY SAID PROCESSING LIQUID; SAID MECHANISM COMPRISING AT LEAST ONE BAR, SUPPORT MEANS FOR SECURING SAID BAR TO SAID DRUM ADJACENT THE OUTER PERIPHERAL SURFACE OF SAID DRUM AND SUBSTANTIALLY PARALLEL TO THE AXIS OF SAID DRUM, SAID BAR HAVING AN INNER EDGE PORTION RADIALLY SPACED FROM SAID OUTER SURFACE AND FORMING THEREWITH A CONTINUOUS SLOT FOR THE PASSAGE OF SAID PROCESSING LIQUID THERETHROUGH DURING THE ROTATION OF SAID DRUM, AND GRIPPER MEANS DISPOSED NEAR THE ENDS OF SAID SLOT FOR REMOVABLY CONNECTING SAID PHOTOGRAPHIC SHEET MATERIAL TO SAID BAR.
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |