US4758852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic film package
Assignee: Fujifilm Holdings Corp
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Filing: 1987-08-19
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Granted: 1988-07-19
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Expires: 2007-08-19
Abstract
Abstract A lens-fitted photographic film package comprises a film, a container wherein the film is contained, and a taking lens all of which are combined as a unit. The film has a MTF value of above 1.1 for a spatial frequency in the range of 5 to 10 lines/mm and the taking lens has a MTF value between 0.47 and 0.73 for a spatial frequency of 20 lines/mm.
Inventors
- 👤 Kunio Maejima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:51
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/04; G03B2219/00; G03B2219/02; G03B2219/04; G03B2219/045
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
66 words
A photographic film package comprising: a film container; a film contained in said film container which has a MTF value of above 1.1 for a spatial frequency in the range of 5 to 10 lines/mm; and a taking lens mounted on said film container to expose said film, said taking lens having a MTF value between 0.47 and 0.73 for a spatial frequency of 20 lines/mm.
Claim 2
Dependent Claim
66 words
A photographic film package comprising: a film container; a film contained in said film container which has a MTF value of above 1.1 for a spatial frequency in the range of 5 to 10 lines/mm; and a taking lens mounted on said film container to expose said film, said taking lens having a MTF value between 0.47 and 0.73 for a spatial frequency of 20 lines/mm.
Claim 3
Dependent Claim
17 words
A photographic film package as defined in claim 1, wherein said lens is a single plastic lens.
Claim 4
Dependent Claim
17 words
A photographic film package as defined in claim 1, wherein said lens is a single aspherical lens.
References Cited (Backward Citations)
US4226517A
Cited
US4345825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-07-19 | 1992-01-18 | 1992-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-07-19 | 1996-01-18 | 1996-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-07-19 | 2000-01-18 | 2000-07-19 | $7700.00 | Window Closed / Lapsed |