US4784131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pollen protection device
Assignee: Individual
•
Filing: 1986-11-17
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Granted: 1988-11-15
•
Expires: 2006-11-17
Abstract
Abstract A pollen protection device comprising a holder and an elastic band for retaining the holder on the face of the user so as to enclose the eyes and nose. The holder is comprised of upper and lower flange walls in which are mounted filter members having a mesh size to pass air but not pollen, with additional filters being positioned between the walls at the sides thereof. Also mounted between the flange walls at the front is a viewing lens. A protective cloth impermeable to pollen can be secured to the lower flange wall and extends downwardly over the mouth and around the neck of the user to permit inhalation through the mouth.
Inventors
- 👤 Michael Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:39
CPC Classifications
A; A41; A41D; A41D13/00; A41D13/05; A41D13/11; A41D13/1107; A41D13/1138; A41D13/1146; A41D13/1184; A61; A61F; A61F9/00; A61F9/02; A61F9/029
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
203 words
A pollen protection device, comprising: (a) a frame-like holder which in use encloses the eyes and the nose of a user in a pollen-tight manner, said holder in a state of non-use being generally crescent shaped in horizontal cross section and formed of a flexible plastic material which can accommodate the shape of the face of the user, comprising: (1) a front web in which is mounted an eye protecting lens constructed of a material permitting viewing therethrough by the user, the vertical dimension of said lens being such that the eyes and nose of the user are accommodated within said lens, (2) upper and lower flange walls extending generally perpendicular to said front web and lens, (3) web sections at the sides of the holder forming continuations of said front web and extending between said flange walls, (4) air filter means mounted in each of said side web sections, said air filter means having a mesh less than 40 μm for filtering pollen and a filter area of at least sixteen square centimeters, and (b) elastic band means secured to said holder by means of which said upper and lower flange walls can be drawn snugly against the face of the wearer.
Claim 2
Dependent Claim
203 words
A pollen protection device, comprising: (a) a frame-like holder which in use encloses the eyes and the nose of a user in a pollen-tight manner, said holder in a state of non-use being generally crescent shaped in horizontal cross section and formed of a flexible plastic material which can accommodate the shape of the face of the user, comprising: (1) a front web in which is mounted an eye protecting lens constructed of a material permitting viewing therethrough by the user, the vertical dimension of said lens being such that the eyes and nose of the user are accommodated within said lens, (2) upper and lower flange walls extending generally perpendicular to said front web and lens, (3) web sections at the sides of the holder forming continuations of said front web and extending between said flange walls, (4) air filter means mounted in each of said side web sections, said air filter means having a mesh less than 40 μm for filtering pollen and a filter area of at least sixteen square centimeters, and (b) elastic band means secured to said holder by means of which said upper and lower flange walls can be drawn snugly against the face of the wearer.
Claim 3
Dependent Claim
40 words
The device of claim 1 wherein at least one of said upper and lower flange walls is formed with a plurality of openings, and further air filter means are mounted in said openings to provide additional paths for filtered air.
Claim 4
Dependent Claim
35 words
The device of claim 2 wherein both of said upper and lower flange walls are formed with a plurality of openings, and further air filter means are inserted in the openings of both flange walls.
Claim 5
Dependent Claim
40 words
The pollen protection device of claim 1, wherein the inner surface of each of said flange walls adapted to contact the face of the user is concavely curved to generally conform to the curvature of the face of the user.
Claim 6
Dependent Claim
40 words
The pollen protection device of claim 4, wherein said concavely curved inner surface of each of the flange walls has mounted thereon an elastically yielding sealing strip impermeable to pollen for cushioning the holder against the face of the user.
Claim 7
Dependent Claim
90 words
The pollen protection device of claim 1, further including a groove formed in the edge on the open side of the lower flange wall of the holder, rod means mounted in said groove, and a protective cloth secured to said rod means and adapted to extend downwardly to the neck of the user, said cloth being formed on its lower longitudinal edge with a hollow hem, and a fastening cord positioned in said hollow hem to permit the protective cloth to be tightly gathered around the neck of the user.
Claim 8
Dependent Claim
18 words
The pollen protection device of claim 1, wherein said air filter means are comprised of galvanized metal foil.
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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) | 1991-11-15 | 1992-05-16 | 1992-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-11-15 | 1996-05-16 | 1996-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-11-15 | 2000-05-16 | 2000-11-15 | $7700.00 | Window Closed / Lapsed |