US3222178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite film element
Assignee: Eastman Kodak Co
•
Filing: 1961-10-09
•
Granted: 1965-12-07
•
Expires: 1981-10-09
Abstract
No abstract record available.
Inventors
- 👤 Gale F Nadeau
- 👤 George W Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:58
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/85; G03C1/95
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
92 words
A PHOTOGRAPHIC FILM PRODUCT COMPRISING (1) A FILM SUPPORT, (2) A LAYER HAVING ANTIHALATION AND ANTISTATIC PROPERTIES DISPOSED ON ONE SURFACE OF THE FILM SUPPORT AND BEING COMPRISED OF FINELY DIVIDED CARBON BLACK AND A WATER-INSOLUBLE, ALKALI-SOLUBLE RESIN, AND (3) AN IDENTIFICATION LAYER DISPOSED OVER LAYER (2) COMPRISED OF FINELY DIVIDED TITANIUM DIOXIDE, A COPOLYMER OF BUTYL METHACRYLATE AND METHACRYLIC ACID, AND CASTOR WAX, AND (4) A PLURALITY OF SILVER HALIDE EMULSION LAYERS SEPARATELY SENSITIVE TO THE RED, GREEN, AND BLUE SPECTRAL REGIONS DISPOSED ON THE OTHER SIDE OF THE FILM SUPPORT.
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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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |