US4440491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic transparency supporting device
Assignee: Konan Camera Research Institue Inc
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Filing: 1981-09-24
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Granted: 1984-04-03
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Expires: 2001-09-24
Abstract
Abstract A device, which is especially useful in color scanning equipment and the like, for supporting a photograhic transparency on a scanning cylinder, in which the cylinder surface is provided with a window and a layer of magnetic rubber surrounding the window, and a trimming mask made of magnetic material held in position by the rubber magnet layer, thereby enabling the support of the photographic transparency to be scanned between the trimming mask and the magnet layer so that the transparency covers the window.
Inventors
- 👤 Sho Takahama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:06
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/04; H04N1/06; H04N1/08; H04N1/0804; H04N1/0813; H04N1/0817; H04N1/083; H04N1/0847
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
68 words
A photographic transparency supporting device comprising a supporting base member having at least one window therein and at least one holding member for holding a photographic transparency between both members and in overlying relationship to said window, a magnetic rubber layer covering at least that portion of said base member surrounding said window and said holding member is formed of a material attracted by said magnetic rubber layer.
Claim 2
Dependent Claim
68 words
A photographic transparency supporting device comprising a supporting base member having at least one window therein and at least one holding member for holding a photographic transparency between both members and in overlying relationship to said window, a magnetic rubber layer covering at least that portion of said base member surrounding said window and said holding member is formed of a material attracted by said magnetic rubber layer.
Claim 3
Dependent Claim
26 words
A photographic transparency supporting device according to claim 1 wherein said holding member is in the form of a frame surrounding and partially overlying said transparency.
Claim 4
Dependent Claim
21 words
A photographic transparency supporting device according to claim 1 wherein said holding member is in the form of a trimming mask.
References Cited (Backward Citations)
JPS5264210A
Cited
JPS5544279A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-04-03 | 1987-10-03 | 1988-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-03 | 1991-10-03 | 1992-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-03 | 1995-10-03 | 1996-04-03 | $7700.00 | Window Closed / Lapsed |