US3320064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-silver halide light sensitive materials
Assignee: Eastman Kodak Co
•
Filing: 1963-03-19
•
Granted: 1967-05-16
•
Expires: 1983-03-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Wesley T Hanson
- 👤 Williams John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:55
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/695; G03C5/00; G03C5/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A NON-SILVER HALIDE PHOTOGRAPHIC ELEMENT COMPRISING A SUPPORT HAVING THEREON LIGHT INSENSITIVE PHYSICALLY DEVELOPABLE NUCLEI AND A COMPOUND OR COMBINATION OF COMPOUNDS WHICH UPON EXPOSURE TO LIGHT FORMS OR RELEASES A DESENSITIZING AGENT WHICH CAUSES THE NUCLEI TO BE DEACTIVATED FOR PHYSICAL DEVELOPMENT.
Claim 2
Dependent Claim
43 words
A NON-SILVER HALIDE PHOTOGRAPHIC ELEMENT COMPRISING A SUPPORT HAVING THEREON LIGHT INSENSITIVE PHYSICALLY DEVELOPABLE NUCLEI AND A COMPOUND OR COMBINATION OF COMPOUNDS WHICH UPON EXPOSURE TO LIGHT FORMS OR RELEASES A DESENSITIZING AGENT WHICH CAUSES THE NUCLEI TO BE DEACTIVATED FOR PHYSICAL DEVELOPMENT.
References Cited (Backward Citations)
US2067690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |