Patent US3597868A successfully refreshed from Google Patents.
US3597868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convex screen viewbox
Assignee: Individual
•
Filing: 1969-03-18
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Granted: 1971-08-10
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Expires: 1989-03-18
Abstract
Abstract The invention disclosed herein describes a viewbox having a curvilinear screen for receiving a panoramic radiograph in order to illustrate the anatomical structure depicted on the radiograph in its natural position.
Inventors
- 👤 James A Tamborello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:39
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/28; G09F; G09F13/00; G09F13/04
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
102 words
A viewbox for exhibiting panoramic radiographs comprising: light means for providing a source of illumination; a screen having a curvilinear surface being mounted in front of said light means; means for mounting the radiograph onto said screen, said curvilinear surface of said screen being convex with respect to said mounting means, and substantially approximates the curvature of a human being''s mandible; and a cover plate mounted over the top edge of said screen, said cover plate including a plurality of lines located thereon positioned in such a manner as to indicate the paths of the Xray beam used in producing the radiograph.
Claim 2
Dependent Claim
102 words
A viewbox for exhibiting panoramic radiographs comprising: light means for providing a source of illumination; a screen having a curvilinear surface being mounted in front of said light means; means for mounting the radiograph onto said screen, said curvilinear surface of said screen being convex with respect to said mounting means, and substantially approximates the curvature of a human being''s mandible; and a cover plate mounted over the top edge of said screen, said cover plate including a plurality of lines located thereon positioned in such a manner as to indicate the paths of the Xray beam used in producing the radiograph.
Claim 3
Dependent Claim
16 words
The invention in accordance with claim 1 wherein said screen is of a translucent plastic material.
Claim 4
Dependent Claim
16 words
The invention in accordance with claim 1 wherein said light includes at least one fluorescent lamp.
Claim 5
Dependent Claim
23 words
The invention in accordance with claim 3 wherein one side of said sheet is unattached to permit the radiograph to be inserted therethrough.
Claim 6
Dependent Claim
13 words
The invention in accordance with claim 3 wherein said transparent material is plastic.
Claim 7
Dependent Claim
27 words
The invention in accordance with claim 5 wherein said backplate includes apertures formed thereon for receiving electrical means that are adapted for connection with said light means.
Claim 8
Dependent Claim
22 words
The invention in accordance with claim 1 wherein said mounting means includes a sheet of transparent material mounted contiguous to said screen.
Claim 9
Dependent Claim
16 words
The invention in accordance with claim 1 further including a backplate mounted behind said light means.
Claim 10
Dependent Claim
25 words
The invention in accordance with claim 8 wherein said backplate includes a compartment mounted thereon for receiving and storing a portion of said electrical means.
Claim 11
Dependent Claim
36 words
The invention of claim 1 wherein said lines emanate from a pair of points, which represent the centers of rotation of the radiation source, and project radially outwardly to the peripheral edge of the cover plate.
References Cited (Backward Citations)
FR579199A
Cited
US1803631A
Cited
US2704901A
Cited
US3120066A
Cited
US3384985A
Cited
US3488871A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |