Patent US4190356A successfully refreshed from Google Patents.
US4190356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic easel apparatus
Assignee: Individual
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Filing: 1978-06-01
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Granted: 1980-02-26
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Expires: 1998-06-01
Abstract
Abstract A photographic easel includes a plurality of panels movable separately and independently of each other for exposing sequential portions of photographic material disposed on the easel.
Inventors
- 👤 Paul A. Knapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:34
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/58; G03B27/582
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
111 words
Photographic easel apparatus for holding photographic paper, comprising, in combination: base means, including a planar top, including a first portion for holding photographic paper and a second portion adjacent the first portion comprising a focusing plane, a first side and a second side adjacent the top, panel means, including a plurality of panels on the first portion of the top individually movable from a closed position covering photographic paper disposed on the first portion of the top to an open position exposing the photographic paper disposed on the first portion of the top; and means for aligning the photographic paper on the first portion of the top of the base means.
Claim 2
Dependent Claim
111 words
Photographic easel apparatus for holding photographic paper, comprising, in combination: base means, including a planar top, including a first portion for holding photographic paper and a second portion adjacent the first portion comprising a focusing plane, a first side and a second side adjacent the top, panel means, including a plurality of panels on the first portion of the top individually movable from a closed position covering photographic paper disposed on the first portion of the top to an open position exposing the photographic paper disposed on the first portion of the top; and means for aligning the photographic paper on the first portion of the top of the base means.
Claim 3
Dependent Claim
21 words
The apparatus of claim 1 in which the panel means includes means for selectively securing together adjacent panels for joint movement.
Claim 4
Dependent Claim
33 words
The apparatus of claim 2 in which the means for selectively securing together adjacent panels includes a protective strip secured to a pair of adjacent panels and overlying a pair of opposite panels.
Claim 5
Dependent Claim
73 words
The apparatus of claim 2 in which the panel means includes a pair of adjacent panels and a pair of opposite panels, and each panel includes interior sides of the panels adjacent each other, and the interior sides include slots parallel to each other, and a strip is disposed in the slots of the interior sides for securing adjacent panels together and for protecting the paper beneath the interior sides of the panels.
Claim 6
Dependent Claim
26 words
The apparatus of claim 1 in which the panel means includes hinge means for pivotally securing the panels of the panel means to the base means.
Claim 7
Dependent Claim
39 words
The apparatus of claim 5 in which the panel means further includes a first plurality of panels adjacent the first side of the base means and a second plurality of panels adjacent the second side of the base means.
Claim 8
Dependent Claim
52 words
The apparatus of claim 6 in which the hinge means includes a first hinge secured to the first plurality of panels, and a second hinge secured to the second plurality of panels for pivoting the panels of the first plurality of panels independently of the panels of the second plurality of panels.
Claim 9
Dependent Claim
32 words
The apparatus of claim 7 in which the hinge means further includes spacer means, comprising a first spacer secured to the first hinge, and a second spacer secured to the second hinge.
Claim 10
Dependent Claim
23 words
The apparatus of claim 8 in which the means for aligning the photographic paper includes a recess in the first and second spacers.
Claim 11
Dependent Claim
62 words
The apparatus of claim 8 in which the hinge means further includes a third hinge secured to the first spacer and to the base means, and a fourth hinge secured to the second spacer and to the base means, for pivoting the first and second plurality of panels and the first and second spacers of the spacer means independently of each other.
Claim 12
Dependent Claim
36 words
The apparatus of claim 9 in which the means for aligning the photographic paper comprises pins disposed in the base means and movable in the base means in response to the pivoting of the spacer means.
Claim 13
Dependent Claim
43 words
The apparatus of claim 1 in which the base means further includes pin means disposed at the first portion of the top remote from the second portion and comprising a stop for the photographic paper for moving the photographic paper from the top.
Claim 14
Dependent Claim
62 words
The apparatus of claim 12 in which the base means further includes a front edge between the first side and the second side, and the means for moving the photographic paper comprises a pin disposed adjacent the front edge extending upwardly from the top and movable along the top between the first and second sides for moving photographic paper from the top.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-02-25 | 1983-08-27 | 1984-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-02-25 | 1987-08-27 | 1988-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-02-25 | 1991-08-27 | 1992-02-26 | $7700.00 | Window Closed / Lapsed |