US4181859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reticle device applicable to flexible radiographic films
Assignee: Individual
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Filing: 1978-03-29
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Granted: 1980-01-01
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Expires: 1998-03-29
Abstract
Abstract In order to superimpose a millimetric measurement reticle on an exposure of a flexible radiographic film of the kind used in dentistry this invention provides a reticle device having a reticle printed on one side of a flexible support layer in radio-opaque ink, the other side of the support being self-adhesive for application to the film. A protective insoluble layer covers the printed reticle, and removable cover strips preferably cover the self-adhesive side of the device, to protect the adhesive layer until the device is about to be used.
Inventors
- 👤 Pier Luigi Vitalini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:52
CPC Classifications
G; G03; G03B; G03B42/00; G03B42/02; G03B42/04; G03B42/047
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
Reticle device for application to a flexible wrapper having a radiographic film therein for use in dentistry, the device comprising: a flexible support sheet of dimensions substantially corresponding to those of the radiographic wrapper film; a measurement reticle printed in radio-opaque material on one side of the support sheet; a protective layer, insoluble in water and saliva, covering the reticle on said one side of the support sheet; a self-adhesive layer applied to the opposite side of the support sheet from the reticle, and removable cover means of anti-adhesive material applied to the self-adhesive layer whereby upon removal of said cover means said reticle device may be secured to said wrapper by said self-adhesive layer.
Claim 2
Dependent Claim
115 words
Reticle device for application to a flexible wrapper having a radiographic film therein for use in dentistry, the device comprising: a flexible support sheet of dimensions substantially corresponding to those of the radiographic wrapper film; a measurement reticle printed in radio-opaque material on one side of the support sheet; a protective layer, insoluble in water and saliva, covering the reticle on said one side of the support sheet; a self-adhesive layer applied to the opposite side of the support sheet from the reticle, and removable cover means of anti-adhesive material applied to the self-adhesive layer whereby upon removal of said cover means said reticle device may be secured to said wrapper by said self-adhesive layer.
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) | 1982-12-31 | 1983-07-02 | 1984-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-12-31 | 1987-07-02 | 1988-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-12-31 | 1991-07-02 | 1992-01-01 | $7700.00 | Window Closed / Lapsed |