US3265505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic products
Assignee: Eastman Kodak Co
•
Filing: 1962-04-02
•
Granted: 1966-08-09
•
Expires: 1982-04-02
Abstract
No abstract record available.
Inventors
- 👤 Joseph S Yudelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:52
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C5/00; G03C5/26; G03C5/261; G03C8/00; G03C8/24; G03C8/246; G03C8/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A COMPOSITE MEMBER COMPRISES OF A LAYER OF A HYDROPHILIC POLYMERIC MATERIAL AND A COATING ON ONE SURFACE OF SAID LAYER IN AN AMOUNT OF FROM ABOUT 2 MILLIGRAMS TO 10 MILLIGRAMS PER SQUARE FOOT OF SURFACE OF A WERNER-TYPE COMPLEX IN WHICH A TRIVALENT ATOM SELECTED FROM THE GROUP CONSISTING OF A TRIVALENT CHROMIUM ATOM AND A TRIVALENT ALUUMINUM ATOM IS COORDINATED WITH A CARBOXYLIC ACID GROUP HAVING AT LEAST 10 CARBON ATOMS.
Claim 2
Dependent Claim
74 words
A COMPOSITE MEMBER COMPRISES OF A LAYER OF A HYDROPHILIC POLYMERIC MATERIAL AND A COATING ON ONE SURFACE OF SAID LAYER IN AN AMOUNT OF FROM ABOUT 2 MILLIGRAMS TO 10 MILLIGRAMS PER SQUARE FOOT OF SURFACE OF A WERNER-TYPE COMPLEX IN WHICH A TRIVALENT ATOM SELECTED FROM THE GROUP CONSISTING OF A TRIVALENT CHROMIUM ATOM AND A TRIVALENT ALUUMINUM ATOM IS COORDINATED WITH A CARBOXYLIC ACID GROUP HAVING AT LEAST 10 CARBON ATOMS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |