US4852186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined visor and protective shield
Assignee: Individual
•
Filing: 1988-08-08
•
Granted: 1989-08-01
•
Expires: 2008-08-08
Abstract
Abstract To protect dentists, physicians, their assistants and others from contamination from contact with blood, bodily fluids and the like of patients, a transparent shield extends from the forehead to below the mouth and partially around the sides of the face. The shield is supported spaced from the face by a visor extending forward from the forehead. The visor is supported by a band around the back of the head. The present invention fabricates the shield, visor and head bands from a single blank, suitably die cut, all interconnected. The combined shield, visor and head bands may be attached to a surgeon's cap or the head bands may be eliminated and the cap attached to the inner edge of the visor.
Inventors
- 👤 Timothy J. Landis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:33
CPC Classifications
A; A41; A41D; A41D13/00; A41D13/05; A41D13/11; A41D13/1161; A61; A61F; A61F9/00; A61F9/02; A41D13/1184; Y; Y10; Y10S; Y10S2/00; Y10S2/908; Y10S2/909
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
131 words
A protective device comprising a unitary blank of thin, transparent material comprising a shield portion, a spacer portion and means to attach said blank portion to the head of a wearer, said shield portion having a top edge, sides and a bottom and first attachment means located near said top edge, said spacer portion having a curved inner edge to conform to the shape of the forehead of the wearer and a curved outer edge, a hinge section comprising a portion of said outer edge and a portion of said top edge shield, and second attachment means located near said outer edge, said first and second attachment means being cooperable to be engaged to cause the top edge of said shield to conform substantially to the shape of said outer edge.
Claim 2
Dependent Claim
131 words
A protective device comprising a unitary blank of thin, transparent material comprising a shield portion, a spacer portion and means to attach said blank portion to the head of a wearer, said shield portion having a top edge, sides and a bottom and first attachment means located near said top edge, said spacer portion having a curved inner edge to conform to the shape of the forehead of the wearer and a curved outer edge, a hinge section comprising a portion of said outer edge and a portion of said top edge shield, and second attachment means located near said outer edge, said first and second attachment means being cooperable to be engaged to cause the top edge of said shield to conform substantially to the shape of said outer edge.
Claim 3
Dependent Claim
19 words
A device according to claim 1 in which said first and second attachment means comprises interfitting tabs and slits.
Claim 4
Dependent Claim
40 words
A device according to claim 1 in which said first attachment means comprises spaced tabs extending up from said top edge and said second attachment comprises correspondingly spaced slits formed in said spacer portion spaced inward of said outer edge.
Claim 5
Dependent Claim
43 words
A device according to claim 3 in which said top edge is substantially straight and said blank is formed with cuts extending inward and constituting extending of said top edge, the inner ends of said cuts being spaced apart by said hinge section.
Claim 6
Dependent Claim
25 words
A device according to claim 1 which further comprises a protective pad on said inner edge and means securing said pad to said spacer portion.
Claim 7
Dependent Claim
40 words
A device according to claim 1 in which said means to attach said blank portion comprises an integral extension of said spacer portion on either side of said spacer portion and cooperable fastening means on the ends of said extension.
Claim 8
Dependent Claim
20 words
A device according to claim 6 in which said extensions are thin straps extending substantially perpendicular to said top edge.
Claim 9
Dependent Claim
40 words
A device according to claim 1 which further comprises a surgeon's cap having lower edges, said lower edges being attached to the middle of said inner edge and partially to said means to attach said spacer portion to the head.
Claim 10
Dependent Claim
28 words
A device according to claim 8 in which said inner edge is formed with tabs and which further comprises means to attach said tabs to said lower edges.
Claim 11
Dependent Claim
45 words
A device according to claim 8 which further comprises a reinforcement tape fixed to said lower edges, said reinforcement tape extending beyond said lower edges to form ties adapted to be knotted behind the head of the wearer to hold said device on the head.
Claim 12
Dependent Claim
18 words
A device according to claim 10 which further comprises stitching attaching said reinforcement tape to said lower edges.
Claim 13
Dependent Claim
26 words
A device according to claim 11 in which said inner edge of said spacer is formed with tabs, said stitching attaching said tabs to said cap.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-07-31 | 1993-01-30 | 1993-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-31 | 1997-01-30 | 1997-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-31 | 2001-01-30 | 2001-08-01 | $7700.00 | Window Closed / Lapsed |