US3936643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray dental film holder
Assignee: RINN Corp 1212 ABBOTT DRIVE ELGIN IL 60120 A CORP OF DE
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Filing: 1974-09-03
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Granted: 1976-02-03
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Expires: 1994-09-03
Abstract
Abstract A disposable one-piece holder of molded styrofoam or similar lightweight material for dental X-ray film, comprising two integral portions one of which is relatively thin and is adapted for gripping by the teeth, and the other portion being in extension thereof and thicker and having an edge located at right angles to the plane of the thinner portion for holding the film.
Inventors
- 👤 Anthony S. Toner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:00
CPC Classifications
G; G03; G03B; G03B42/00; G03B42/02; G03B42/04; G03B42/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A disposable one piece plastic holder for dental X-ray film said holder comprising a bite portion and a film holding portion which are integral, wherein the film-holding portion has a slot therein for frictional but separable reception of the X-ray film and wherein the slot is arranged perpendicularly with respect to the plane of the bite portion so that the film is held likewise in a perpendicular plane to the bite portion.
Claim 2
Dependent Claim
72 words
A disposable one piece plastic holder for dental X-ray film said holder comprising a bite portion and a film holding portion which are integral, wherein the film-holding portion has a slot therein for frictional but separable reception of the X-ray film and wherein the slot is arranged perpendicularly with respect to the plane of the bite portion so that the film is held likewise in a perpendicular plane to the bite portion.
References Cited (Backward Citations)
US2777068A
Cited
US3444371A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-02-02 | 1979-08-04 | 1980-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-02-02 | 1983-08-04 | 1984-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-02-02 | 1987-08-04 | 1988-02-03 | $7700.00 | Window Closed / Lapsed |