Photographic cassette with forward cutout portions to eliminate localized unwanted image areas
US4096501A · kind A · utility
2Cited by
4References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 1976 |
| Grant date | Jun 20, 1978 |
| Priority date | — |
| Expiry date | Sep 2, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/32
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Unwanted localized image effects in diffusion transfer photographs are minimized by partially removing portions of the two transverse cassette walls which constrain retained film units against lateral movement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.