US4804987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lens-fitted photographic film package
Assignee: Fujifilm Holdings Corp
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Filing: 1987-09-30
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Granted: 1989-02-14
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Expires: 2007-09-30
Abstract
Abstract A lens-fitted photographic film package comprises an internal film casing of plastic provided with a taking lens and incorporating a film contained in a light-tight film container and an external film casing of cardboard or thin plastic formed with front and rear openings which define a viewfinder when the internal film casing is inserted in the external film casing. The optical path of the viewfinder is disposed above and is unobstructed by the internal casing. Portions of the internal casing can be extended upwardly on opposite lateral sides of the optical path of the viewfinder so as to dispose the viewfinder in an upwardly and forwardly and rearwardly opening recess in the internal casing, thereby more completely to support the external casing. The cost of providing viewfinder holes through the internal casing is thus saved.
Inventors
- 👤 Takuya Arai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:04
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/04; G03B2219/00; G03B2219/02; G03B2219/04; G03B2219/045
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
97 words
A photographic film package provided with a taking lens incorporating a film contained in a film container light-tightly therein comprising: an internal film casing formed with a space on the top thereof that is upwardly and forwardly and rearwardly open and is closed by portions of the internal casing on two opposite lateral sides thereof; and an external film casing formed with an opening in each of front and rear walls thereof, said openings forming a tunnel-like viewfinder whose optical path extends through said space when said internal film casing is inserted in said external film casing.
Claim 2
Dependent Claim
97 words
A photographic film package provided with a taking lens incorporating a film contained in a film container light-tightly therein comprising: an internal film casing formed with a space on the top thereof that is upwardly and forwardly and rearwardly open and is closed by portions of the internal casing on two opposite lateral sides thereof; and an external film casing formed with an opening in each of front and rear walls thereof, said openings forming a tunnel-like viewfinder whose optical path extends through said space when said internal film casing is inserted in said external film casing.
Claim 3
Dependent Claim
27 words
A photographic film package as defined in claim 1, wherein said space is defined between side walls extending upwardly from the top of said internal film casing.
Claim 4
Dependent Claim
22 words
A photographic film casing as defined in claim 1, wherein said space is formed by a U-shaped channel in said internal casing.
Claim 5
Dependent Claim
19 words
A photographic film package as defined in claim 3, wherein said U-shaped channel has a rough matted inner surface.
Claim 6
Dependent Claim
21 words
A photographic film package as defined in claim 3, wherein said U-shaped channel is formed with grooves on its inner surface
Claim 7
Dependent Claim
20 words
A photographic film package as defined in claim 1, wherein said external film casing is made of a printable cardboard.
Claim 8
Dependent Claim
22 words
A photographic film package as defined in claim 1, wherein said external film casing is made of a printable thin plastic sheet.
Claim 9
Dependent Claim
107 words
A photographic film package comprising an internal film casing provided with a taking lens and incorporating a film contained in a film container light-tightly therein and an external film casing formed with front and rear openings which define a viewfinder whose optical path is disposed above and is unobstructed by said internal film casing when said internal film casing is inserted in said external film casing, said external film casing having opposite end walls that extend higher than said openings when said viewfinder is in use and a top wall that interconnects said end walls and is higher than said openings when said viewfinder is in use.
Claim 10
Dependent Claim
107 words
A photographic film package comprising an internal film casing provided with a taking lens and incorporating a film contained in a film container light-tightly therein and an external film casing formed with front and rear openings which define a viewfinder whose optical path is disposed above and is unobstructed by said internal film casing when said internal film casing is inserted in said external film casing, said external film casing having opposite end walls that extend higher than said openings when said viewfinder is in use and a top wall that interconnects said end walls and is higher than said openings when said viewfinder is in use.
Claim 11
Dependent Claim
18 words
A photographic film package as defined in claim 1, wherein said internal and external film casings are parallelpipedal.
Claim 12
Dependent Claim
18 words
A photographic film package as defined in claim 8, wherein said internal and external film casings are parallelepipedal.
Claim 13
Dependent Claim
84 words
A photographic film package comprising a lens-fitted internal film casing incorporating a roll of film light-tightly therein and formed with an opening extending through said internal film casing from front to rear for forming a part of a viewfinder and an external film casing formed with front and rear openings which are aligned with said opening of said internal film casing when said internal film casing is inserted in said external film casing so as to define the field of view of said viewfinder.
Claim 14
Dependent Claim
84 words
A photographic film package comprising a lens-fitted internal film casing incorporating a roll of film light-tightly therein and formed with an opening extending through said internal film casing from front to rear for forming a part of a viewfinder and an external film casing formed with front and rear openings which are aligned with said opening of said internal film casing when said internal film casing is inserted in said external film casing so as to define the field of view of said viewfinder.
Claim 15
Dependent Claim
19 words
A photographic film package as defined in claim 11, wherein said front opening is larger than said rear opening.
Claim 16
Dependent Claim
18 words
A photographic film package as defined in claim 11, wherein said internal and external film casings are parallelepipedal.
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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) | 1992-02-14 | 1992-08-15 | 1993-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-02-14 | 1996-08-15 | 1997-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-02-14 | 2000-08-15 | 2001-02-14 | $7700.00 | Window Closed / Lapsed |