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US4722296A Expired / Lapsed US ⏱️ 0.0 years remaining

Disposable protective shield for handle of illumination device intended for medical and/or dental purposes

Assignee: Individual
•
Filing: 1987-01-28
•
Granted: 1988-02-02
•
Expires: 2007-01-28
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Abstract

Abstract A disposable shield for the handle of a light used by dentists or doctors is disclosed. A new shield is used for each patient, thereby preventing the spreading of contagious diseases.

Inventors

  • 👤 Mary J. Bowskill
  • 👤 Norman V. McDonald

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 11:20
CPC Classifications
A; A61; A61C; A61C19/00; A61G; A61G15/00; A61G15/10; A61B; A61B17/00; A61B2017/0023; A61B90/00; A61B90/30; A61B2090/308; F; F21; F21V; F21V21/00; F21V21/40; F21V21/403; Y; Y10; Y10S; Y10S16/00; Y10S16/906; Y10S362/00; Y10S362/804; Y10T; Y10T428/00; Y10T428/14; Y10T428/24; Y10T428/24777; Y10T428/24793

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 202 words
In combination with a light intended specifically for use in medical and/or dental offices, the light including a handle, a disposable protective shield for the handle, said shield comprising a substantially planar flexible sheet having a generally rectangular plan outline including top and bottom sides and further including a perimeter having forward and rear edges and substantially parallel side edges, the forward edge having a cut-out portion formed therein and extending towards the rear edge, and a band of adhesive carried on the bottom side of the sheet and extending around the perimeter thereof, whereby the rear edge of the sheet may be adhesively secured to the handle, temporarily becoming an integral part thereof, and whereby the sheet may then be manually rolled around the handle of the light in substantially close fitting relationship thereto and removably secured thereto, so that the sheet will not unravel from the handle of the light during repeated manipulation thereof during examination of a patient, thereby protecting each patient against inadvertent contamination from a previous patient, and whereby the sheet may be easily removed from the handle of the light and discarded following examination and treatment of a particular patient in the medical or dental office.
Claim 2
Dependent Claim 202 words
In combination with a light intended specifically for use in medical and/or dental offices, the light including a handle, a disposable protective shield for the handle, said shield comprising a substantially planar flexible sheet having a generally rectangular plan outline including top and bottom sides and further including a perimeter having forward and rear edges and substantially parallel side edges, the forward edge having a cut-out portion formed therein and extending towards the rear edge, and a band of adhesive carried on the bottom side of the sheet and extending around the perimeter thereof, whereby the rear edge of the sheet may be adhesively secured to the handle, temporarily becoming an integral part thereof, and whereby the sheet may then be manually rolled around the handle of the light in substantially close fitting relationship thereto and removably secured thereto, so that the sheet will not unravel from the handle of the light during repeated manipulation thereof during examination of a patient, thereby protecting each patient against inadvertent contamination from a previous patient, and whereby the sheet may be easily removed from the handle of the light and discarded following examination and treatment of a particular patient in the medical or dental office.
Claim 3
Dependent Claim 27 words
The combination of claim 1, further including a stack of sheets adhesively secured together, wherein the uppermost sheet in the stack may be peeled off the stack.
Claim 4
Dependent Claim 81 words
In combination with an illumination device intended for medical and/or dental purposes, the device having a handle, a stack of disposable protective shields for the handle, the stack including a plurality of sheets removably secured together, wherein the uppermost sheet in the stack may be removed from the stack, each sheet being relatively thin and flexible and being adapted to be curled around the handle and removably secured thereto, and adhesive means carried by the sheet for adhering to the handle.
Claim 5
Dependent Claim 81 words
In combination with an illumination device intended for medical and/or dental purposes, the device having a handle, a stack of disposable protective shields for the handle, the stack including a plurality of sheets removably secured together, wherein the uppermost sheet in the stack may be removed from the stack, each sheet being relatively thin and flexible and being adapted to be curled around the handle and removably secured thereto, and adhesive means carried by the sheet for adhering to the handle.
Claim 6
Dependent Claim 35 words
The combination of claim 3, wherein each sheet is substantially rectangular in plan outline having top and bottom sides and further having a band of adhesive on one of the sides around the perimeter thereof.

References Cited (Backward Citations)

GB1023894A Cited
CH452479A Cited
US3785102A Cited
US3916447A Cited
US3961602A Cited
US4000737A Cited
US4143194A Cited
US4107811A Cited
US4386179A Cited
US4384382A Cited
US4559671A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1991-02-01 1991-08-03 1992-02-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1995-02-01 1995-08-03 1996-02-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1999-02-01 1999-08-03 2000-02-02 $7700.00 Window Closed / Lapsed

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