Patent US3672277A successfully refreshed from Google Patents.
US3672277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for identifying photographic size
Assignee: Minolta Co Ltd
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Filing: 1970-05-26
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Granted: 1972-06-27
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Expires: 1990-05-26
Abstract
Abstract A device for identifying the picture size to be taken by a camera by using a cartridge-mounted film. The device comprises a picture size identifying member operatively connected to a film winding knob of the camera, so as to rub and imprint a marking on the surface of the film cartridge in response to the rotation of the film winding knob.
Inventors
- 👤 Tatsuo Kobayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:59
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/60; G03B1/66; G03B19/00; G03B19/02; G03B19/04
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
73 words
In a camera including a chamber for separably housing a film cartridge containing a film winding spool, a rotatable film winding member releasably engaging said spool, and a picture size identifying member rotatable with said film winding member and in marking engagement with a surface of a cartridge housed in said chamber whereby to impart a mark to said cartridge indicative of said picture size with the rotation of said film winding member.
Claim 2
Dependent Claim
73 words
In a camera including a chamber for separably housing a film cartridge containing a film winding spool, a rotatable film winding member releasably engaging said spool, and a picture size identifying member rotatable with said film winding member and in marking engagement with a surface of a cartridge housed in said chamber whereby to impart a mark to said cartridge indicative of said picture size with the rotation of said film winding member.
Claim 3
Dependent Claim
20 words
The camera of claim 1 wherein said winding member is provided with a winding knob positioned externally of said camera.
Claim 4
Dependent Claim
21 words
The camera of claim 1 wherein said identifying member includes an inclined resilient element in marking engagement with said cartridge surface.
Claim 5
Dependent Claim
32 words
The camera according to claim 3, wherein the resilient element of the picture size identifying member is so disposed as to imprint the mark on the top surface of the film cartridge.
Claim 6
Dependent Claim
42 words
The camera according to claim 1, wherein the picture size identifying member is a disk-shaped member with an elongated slot bored through the central portion thereof and a pair of resilient bent portions formed on the periphery thereof at diagonally opposing portions.
References Cited (Backward Citations)
US1001387A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-27 | 1975-12-27 | 1976-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-27 | 1979-12-27 | 1980-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-27 | 1983-12-27 | 1984-06-27 | $7700.00 | Window Closed / Lapsed |