US3237513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color printer
Assignee: Pavelle Corp
•
Filing: 1962-02-06
•
Granted: 1966-03-01
•
Expires: 1982-02-06
Abstract
No abstract record available.
Inventors
- 👤 Alex W Dreyfoos
- 👤 George W Mergens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:43
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/72; G03B27/73; G03B27/735
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
218 words
A COLOR PRINTER COMPRISING A NEGATIVE CARRIER FOR HOLDING A COLOR NEGATIVE , AN EASEL FOR SUPPORTING A PHOTOGRAPHIC EMULSION, A SOURCE OF LIGHT FOR DIRECTING LIGHT THROUGH SAID NEGATIVE ONTO SAID EMULSION, AND VARIABLE FILTER MEANS INTERMEDIATE TO SAID NEGATIVE AND SAID EASEL FOR MAINTAINING THE COLOR BALANCE OF THE LIGHT INPINGING ON SAID EASEL CONSTANT FOR DIFFERENT NEGATIVE IN SAID NEGATIVE CARRIER, SAID VARIABLE FILTER MEANS CONSISTING OF A PAIR OF MOVABLE COMBINATION FILTER WEDGES INCLUDING VARIABLE DENSITY CYAN, YELLOW AND MAGENTA DYES, THE SMALL CENTER PORTION OF EACH OF SAID COMBINATION FILTER WEDGES BEING CLEAR AND THE BOTTOM AND TOP PORTIONS, OF EACH COMBINATION FILTER WEDGE, EACH BEING PROVIDED WITH A VARIABLE DENSITY AREA OF ONE OF SAID DYES, THE DENSITY OF THE DYES INCREASING FROM A MINIMUM AT A POINT ADJACENT THE CLEAR CENTER PORTION OF THE COMBINATION FILTER WEDGE TO A MAXIMUM AT THE BOTTOM AND TOP OF THE COMBINATION FILTER WEDGE, WHEREIN ONE OF SAID COMBINATION FILTER WEDGES IS PROVIDED WITH A FIRST VARIABLE DENSITY AREA OF ONE OF SAID DYES AND A SECOND VARIABLE DENSITY AREA OF ANOTHER OF SAID DYES AND SAID OTHER COMBINATION FILTER WEDGE IS PROVIDED WITH A FIRST VARIABLE DENSITY AREA OF THE FIRST OF SAID DYES AND A SECOND VARAIBLE DENSITY AREA OF SAID OTHER DYE.
Claim 2
Dependent Claim
218 words
A COLOR PRINTER COMPRISING A NEGATIVE CARRIER FOR HOLDING A COLOR NEGATIVE , AN EASEL FOR SUPPORTING A PHOTOGRAPHIC EMULSION, A SOURCE OF LIGHT FOR DIRECTING LIGHT THROUGH SAID NEGATIVE ONTO SAID EMULSION, AND VARIABLE FILTER MEANS INTERMEDIATE TO SAID NEGATIVE AND SAID EASEL FOR MAINTAINING THE COLOR BALANCE OF THE LIGHT INPINGING ON SAID EASEL CONSTANT FOR DIFFERENT NEGATIVE IN SAID NEGATIVE CARRIER, SAID VARIABLE FILTER MEANS CONSISTING OF A PAIR OF MOVABLE COMBINATION FILTER WEDGES INCLUDING VARIABLE DENSITY CYAN, YELLOW AND MAGENTA DYES, THE SMALL CENTER PORTION OF EACH OF SAID COMBINATION FILTER WEDGES BEING CLEAR AND THE BOTTOM AND TOP PORTIONS, OF EACH COMBINATION FILTER WEDGE, EACH BEING PROVIDED WITH A VARIABLE DENSITY AREA OF ONE OF SAID DYES, THE DENSITY OF THE DYES INCREASING FROM A MINIMUM AT A POINT ADJACENT THE CLEAR CENTER PORTION OF THE COMBINATION FILTER WEDGE TO A MAXIMUM AT THE BOTTOM AND TOP OF THE COMBINATION FILTER WEDGE, WHEREIN ONE OF SAID COMBINATION FILTER WEDGES IS PROVIDED WITH A FIRST VARIABLE DENSITY AREA OF ONE OF SAID DYES AND A SECOND VARIABLE DENSITY AREA OF ANOTHER OF SAID DYES AND SAID OTHER COMBINATION FILTER WEDGE IS PROVIDED WITH A FIRST VARIABLE DENSITY AREA OF THE FIRST OF SAID DYES AND A SECOND VARAIBLE DENSITY AREA OF SAID OTHER DYE.
References Cited (Backward Citations)
US2947232A
Cited
US3083614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |