Patent US4220848A successfully refreshed from Google Patents.
Patent US3107170A successfully refreshed from Google Patents.
US3107170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of color images in sensitive emulsions
Assignee: Individual
•
Filing: 1960-05-31
•
Granted: 1963-10-15
•
Expires: 1980-05-31
Abstract
No abstract record available.
Inventors
- 👤 Netke Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:14
CPC Classifications
G; G03; G03B; G03B33/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
METHOD FOR PRODUCING A REFLECTED COLORED IMAGE IN A LIGHT-SENSITIVE PANCHROMATIC EMULSION WHICH COMPRISES PASSING A BEAM OF LIGHT THROUGH A BISECTING COMPONENT FOR SPLITTING SAID LIGHT BEAM INTO TWO SEPARATE AND DIVERGENT PATHS OF UNFILTERED LIGHT, REFLECTING SAID LIGHT PATHS IN EACH INSTANCE, PASSING THE REFLECTED LIGHT FROM EACH OF SAID PATHS FROM OPPOSITE DIRECTIONS THROUGH A COMMON FOCAL POINT AND MAINTAINING A TRANSPARENT FILM OF LIGHT-SENSITIVE PANCHROMATIC EMULSION ACROSS SAID FOCAL POINT TO CAUSE STATIONARY RAYS IN SAID LIGHT-SENSITIVE PANCHROMATIC EMULSION PRODUCING AFTER PROPER DEVELOPMENT "ZENKER''S THIN PIECES" IN THE SAID EMULSION.
Claim 2
Dependent Claim
94 words
METHOD FOR PRODUCING A REFLECTED COLORED IMAGE IN A LIGHT-SENSITIVE PANCHROMATIC EMULSION WHICH COMPRISES PASSING A BEAM OF LIGHT THROUGH A BISECTING COMPONENT FOR SPLITTING SAID LIGHT BEAM INTO TWO SEPARATE AND DIVERGENT PATHS OF UNFILTERED LIGHT, REFLECTING SAID LIGHT PATHS IN EACH INSTANCE, PASSING THE REFLECTED LIGHT FROM EACH OF SAID PATHS FROM OPPOSITE DIRECTIONS THROUGH A COMMON FOCAL POINT AND MAINTAINING A TRANSPARENT FILM OF LIGHT-SENSITIVE PANCHROMATIC EMULSION ACROSS SAID FOCAL POINT TO CAUSE STATIONARY RAYS IN SAID LIGHT-SENSITIVE PANCHROMATIC EMULSION PRODUCING AFTER PROPER DEVELOPMENT "ZENKER''S THIN PIECES" IN THE SAID EMULSION.
References Cited (Backward Citations)
US1508916A
Cited
US1222925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |