US3336853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating sheet-form materials
Assignee: Visual Graphics Corp
•
Filing: 1964-11-04
•
Granted: 1967-08-22
•
Expires: 1984-11-04
Abstract
No abstract record available.
Inventors
- 👤 Friedel Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:39
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/08; G03D3/13; G03D3/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A PHOTOGRAPHIC DEVELOPING APPARATUS COMPRISING A PLURALITY OF ENCLOSED FLUID RECEIVING RESERVOIRS EACH COMPRISING SPACED SIDE WALLS, SPACED END WALLS INTERCONNECTING THE SIDE WALLS AND A BOTTOM, A CLOSURE OF THE TOP OF EACH RESERVOIR INCLUDING A PLURALITY OF ROLLERS IN HORIZONTAL CONTACT WITH EACH OTHER JOURNALED AT THEIR ENDS IN THE END WALLS, A CURVED RECESS IN EACH OF THE SIDE WALLS WITH AT LEAST A PORTION OF THE ROLLERS ADJACENT THE SIDE WALLS IN HORIZONTAL WIPING CONTACT WITH SAID RECESS IN THE SIDE WALLS, MEANS FOR DRIVING AT LEAST ONE OF SAID ROLLERS, MEANS IN A FIRST OF SAID RESERVOIRS TO RECEIVE A SHEET OF PHOTOGRAPHIC MATERIAL ENTERING BETWEEN A FIRST TWO OF THE CLOSURE
Claim 2
Dependent Claim
117 words
A PHOTOGRAPHIC DEVELOPING APPARATUS COMPRISING A PLURALITY OF ENCLOSED FLUID RECEIVING RESERVOIRS EACH COMPRISING SPACED SIDE WALLS, SPACED END WALLS INTERCONNECTING THE SIDE WALLS AND A BOTTOM, A CLOSURE OF THE TOP OF EACH RESERVOIR INCLUDING A PLURALITY OF ROLLERS IN HORIZONTAL CONTACT WITH EACH OTHER JOURNALED AT THEIR ENDS IN THE END WALLS, A CURVED RECESS IN EACH OF THE SIDE WALLS WITH AT LEAST A PORTION OF THE ROLLERS ADJACENT THE SIDE WALLS IN HORIZONTAL WIPING CONTACT WITH SAID RECESS IN THE SIDE WALLS, MEANS FOR DRIVING AT LEAST ONE OF SAID ROLLERS, MEANS IN A FIRST OF SAID RESERVOIRS TO RECEIVE A SHEET OF PHOTOGRAPHIC MATERIAL ENTERING BETWEEN A FIRST TWO OF THE CLOSURE
References Cited (Backward Citations)
BE556992A
Cited
US2347189A
Cited
US2894440A
Cited
US3025779A
Cited
US3057282A
Cited
US3270654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |