Patent US3782936A successfully refreshed from Google Patents.
US3782936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diffusion transfer reception elements,film units and processes therefor
Assignee: Eastman Kodak Co
•
Filing: 1971-08-24
•
Granted: 1974-01-01
•
Expires: 1991-08-24
Abstract
Abstract ZINC OXIDE IS EMPLOYED IN ASSOCIATION WITH A LIGHTREFLECTING LAYER COMPRISING TITANIUM DIOXIDE DISPERSED IN A BINDER WHICH IS ASSOCIATED WITH A DYE IMAGE-RECEIVING LAYER EMPLOYED IN COLOR DIFFUSION TRANSFER SYSTEM.
Inventors
- 👤 T Abbott
- 👤 G Dappen
- 👤 N Irani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:08
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/42; G03C8/44; G03C8/48
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |