Patent US4850049A successfully refreshed from Google Patents.
US4850049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined surgeon's cap, visor and protective shield
Assignee: Individual
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Filing: 1988-08-08
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Granted: 1989-07-25
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Expires: 2008-08-08
Abstract
Abstract To protect a surgeon or operating room personnel from splatter from a patient afflicted with various diseases (including A.I.D.S.) a transparent shield is supported in front of the face hanging down to about the chin. A conventional surgeon's disposable cap is fixed to a visor which projects forward and down from the forehead. The upper edge of the shield is supported by the visor.
Inventors
- 👤 Timothy J. Landis
- 👤 Charles V. Wirth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:10
CPC Classifications
A; A42; A42B; A42B1/00; A42B1/018; A42B1/0181; A42B1/0182; A41; A41D; A41D13/00; A41D13/05; A41D13/11; A41D13/1184; A42B1/012
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
131 words
A protective device for surgeons and surgical personnel comprising a disposable surgeon's cap having head covering means terminating in a lower edge spacer means at about the level of said lower edge extending forwardly from the forehead of the wearer, first attachment means attaching said spacer means to said cap, a transparent shield having a length substantially greater than said spacer means sufficient to extend down to protect the eyes, nose and mouth of the wearer, second attachment means attaching said shield to said shield to said spacer means substantially at a right angle to said spacer means, said second attachment means comprising slits in said spacer means spaced apart along the outer edge of said spacer means, and projections on the upper edge of said shield fitting thru said slits.
Claim 2
Dependent Claim
131 words
A protective device for surgeons and surgical personnel comprising a disposable surgeon's cap having head covering means terminating in a lower edge spacer means at about the level of said lower edge extending forwardly from the forehead of the wearer, first attachment means attaching said spacer means to said cap, a transparent shield having a length substantially greater than said spacer means sufficient to extend down to protect the eyes, nose and mouth of the wearer, second attachment means attaching said shield to said shield to said spacer means substantially at a right angle to said spacer means, said second attachment means comprising slits in said spacer means spaced apart along the outer edge of said spacer means, and projections on the upper edge of said shield fitting thru said slits.
Claim 3
Dependent Claim
25 words
A device according to claim 1 in which said cap is made of a paper-like substance and has a crown and sides around said crown.
Claim 4
Dependent Claim
27 words
A device according to claim 1 in which said cap is formed with a reinforcing binding along said lower edge, said binding extending rearward to form ties.
Claim 5
Dependent Claim
33 words
A device according to claim 3 in which said first attachment means comprises extensions on said spacer means and stitching stitching said binding to said lower edge and said extensions to said cap.
Claim 6
Dependent Claim
41 words
A device according to claim 4 in which said sides are initially open at the back; said ties being capable of being tied in a knot at the back of the head and pulling said sides together to close said opening.
Claim 7
Dependent Claim
18 words
A device according to claim 1 in which said spacer means comprises a visor of relatively stiff material.
Claim 8
Dependent Claim
57 words
A device according to claim 1 in which said spacer means is of a non-resilient material and said projections have hooks on one outer edge, whereby when said projections are pushed through said slits and said shield is twisted relative to said spacer means in the direction of said hooks, said shield is suspended from said visor.
Claim 9
Dependent Claim
55 words
A device according to claim 1 in which said spacer means is of a sponge-rubber-like material and said projections are wider at their outer ends than their inner ends, whereby said projections when forced through said slits stretch said slits which then return to original length to retain said shield suspended from said spacer means.
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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) | 1992-07-24 | 1993-01-23 | 1993-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-24 | 1997-01-23 | 1997-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-24 | 2001-01-23 | 2001-07-25 | $7700.00 | Window Closed / Lapsed |