US4836668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-supported, adjustable, condensation-free shower mirror
Assignee: SHOWERTEK Inc A CORP OF CA
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Filing: 1987-12-04
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Granted: 1989-06-06
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Expires: 2007-12-04
Abstract
Abstract To prevent condensation on the mirror, it is heated with water from a supply tube connected from a showerhead pipe to a dispenser which disperses the heated water in either liquid or spray form, preferably from holes in a hose which is mounted in a rear temperature-control space and which surrounds the back of the mirror. The hose has an oval cross-section with holes on one of its flatter sides so that they will all face inward, toward the center of the mirror. Also the tube acts as a gasket to prevent the water from leaking through the mirror's front. The mirror is held by a flex-arm which includes breakaway flex-joints (hinge or ball), allowing rotational and translational movements. A supply tube is carred inside the flexarm, has a friction fit in the ends of the arm, and is connected to the dispenser hose by a T-fitting. A relief slot in the mirror end of the flex-arm allows water which enters the space in the flex-arm around the supply tube to leave such space. The mirror is mounted in a frame with a back plate which is slightly larger than the frame so that the back plate spreads the back of the frame, causing its front part to be compressed, thereby to squeeze the mirror into a concave, magnifying shape.
Inventors
- 👤 Thomas R. Christianson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:07
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/0006; A; A47; A47G; A47G1/00; A47G1/02; G02B7/00; G02B7/18; G02B7/181; G02B7/1815
Claims Analysis
Total Claims: 37
Claim 1
Independent Claim
136 words
A mirror assembly for use in a shower enclosure having a water-dispensing showerhead, comprising: a mirror; an elongated arm, one end of which is attached to said mirror, the other end of which includes attachment means for attaching said arm to said showerhead, said arm being flexible and bendable such that when said other end of said arm is attached to said showerhead, said mirror can be positioned stably in any position within a range of positions with respect to said showerhead, and supply means for supplying heated water from said showerhead to said mirror and directing said water against a rear surface of said mirror so as to heat said mirror and thereby prevent it from fogging, said means comprising a lumen in said elongated arm and a flexible inner tube positioned in said lumen.
Claim 2
Dependent Claim
136 words
A mirror assembly for use in a shower enclosure having a water-dispensing showerhead, comprising: a mirror; an elongated arm, one end of which is attached to said mirror, the other end of which includes attachment means for attaching said arm to said showerhead, said arm being flexible and bendable such that when said other end of said arm is attached to said showerhead, said mirror can be positioned stably in any position within a range of positions with respect to said showerhead, and supply means for supplying heated water from said showerhead to said mirror and directing said water against a rear surface of said mirror so as to heat said mirror and thereby prevent it from fogging, said means comprising a lumen in said elongated arm and a flexible inner tube positioned in said lumen.
Claim 3
Dependent Claim
24 words
The mirror assembly of claim 1 wherein said arm has a plurality of interconnected rigid sections and said lumen runs through said interconnected sections.
Claim 4
Dependent Claim
83 words
The mirror assembly of claim 1 wherein said supply means also comprises an elongated hose having an oval shape in its free state with two opposing major surfaces, a row of holes formed in one of said major surfaces, said hose being bent into a predetermined shape so that it will extend around said mirror and so that said row of holes faces the center of said mirror, said flexible inner tube being connected to supply water to the lumen of said hose.
Claim 5
Dependent Claim
54 words
The mirror assembly of claim 3 wherein said mirror is circular in shape and said hose is bent to a circular shape to conform to the shape of said mirror, said flexible inner tube being connected to said hose by a T-fitting so that said hose forms an endless loop which includes said T-fitting.
Claim 6
Dependent Claim
121 words
The mirror assembly of claim 1 wherein said mirror is circular, and further including an annular frame surrounding said mirror and extending back from a rear surface of said mirror, a circular back plate, said back plate having a diameter larger than the internal diameter of the portion of said frame extending back from said mirror, said back plate being positioned in said frame behind and parallel to said mirror such that said back plate expands the diameter of the portion of said frame behind said mirror and compresses the diameter of the portion of said frame surrounding said mirror so as to cause the front surface of said mirror to assume a concave shape and thereby become a magnifying mirror.
Claim 7
Dependent Claim
67 words
The mirror assembly of claim 1, further including a frame for holding said mirror and attachment means for attaching said arm to said frame, said tube extending into said frame and said attachment means by friction fit, such that if said arm separates or breaks, said tube will tend to hold the separate components together and will form a gasket with said mounting means and said frame.
Claim 8
Dependent Claim
43 words
The mirror assembly of claim 6 wherein said frame includes a relief slot at its place of engagement with said tube such that if water enters the space surrounding said tube and in said arm, it can escape therefrom through said relief slot.
Claim 9
Dependent Claim
102 words
The mirror assembly of claim 1, further including a frame for holding said mirror, said supply means comprising a dispenser hose connected to said supply tube, said dispenser hose being curved to extend around the periphery of said mirror, said hose having a plurality of openings facing the center of said mirror, said hose having an oval shape with two opposing major surfaces in its free state, said openings being formed in a row on a major surface of said hose so that when said hose is bent to extend around said mirror, said openings will face the center of said mirror.
Claim 10
Dependent Claim
49 words
The mirror assembly of claim 8 wherein said mirror is circular in shape and said dispenser hose is bent to conform to the shape of said mirror, said dispenser hose being connected to said supply tube by a T-fitting and thereby forming an endless loop which includes said T-fitting.
Claim 11
Dependent Claim
26 words
The mirror assembly of claim 1 wherein said arm includes at least one separable joint for allowing said arm to separate in case of trauma thereto.
Claim 12
Dependent Claim
13 words
The mirror assembly of claim 10 wherein said arm has two separable joints.
Claim 13
Dependent Claim
79 words
The mirror assembly of claim 1, further including a frame for holding said mirror, said frame having a junction with said mirror, and wherein said supply means also comprises an elongated hose positioned within said frame, and further including restraint means for holding said hose against said junction between said frame and said mirror so that said hose acts as a gasket to prevent heated water from leaking through said junction to said front reflecting face of said mirror.
Claim 14
Dependent Claim
241 words
A mirror assembly for use in a shower, comprising: a mirror having a front reflecting face and a back surface; a frame for holding said mirror; said frame including a temperature control space adjacent the back of said mirror; a junction extending between said frame and said mirror; an arm having a distal end attached to said frame for supporting said frame and said mirror away from a shower wall, said arm being hollow and flexible so that said frame and said mirror can be adjusted to different positions after installation and during use; mounting means at a proximal end of said arm for holding said arm so as to suspend said frame and said mirror at said distal end of said arm above a shower floor; a supply tube and means for connecting said tube from a heated water supply to said temperature control space, said tube being positioned within the hollow space of said arm; nozzle means communicating with said tube and located in said temperature control space, said nozzle means being arranged to dispense water into said temperature control space and against said back surface of said mirror so as to cause the temperature of said front reflecting face of said mirror to be raised in order to prevent water vapor condensation thereon, said nozzle means including a hose extending along said junction and arranged to spray heated water radially inward against the back surface of said mirror.
Claim 15
Dependent Claim
241 words
A mirror assembly for use in a shower, comprising: a mirror having a front reflecting face and a back surface; a frame for holding said mirror; said frame including a temperature control space adjacent the back of said mirror; a junction extending between said frame and said mirror; an arm having a distal end attached to said frame for supporting said frame and said mirror away from a shower wall, said arm being hollow and flexible so that said frame and said mirror can be adjusted to different positions after installation and during use; mounting means at a proximal end of said arm for holding said arm so as to suspend said frame and said mirror at said distal end of said arm above a shower floor; a supply tube and means for connecting said tube from a heated water supply to said temperature control space, said tube being positioned within the hollow space of said arm; nozzle means communicating with said tube and located in said temperature control space, said nozzle means being arranged to dispense water into said temperature control space and against said back surface of said mirror so as to cause the temperature of said front reflecting face of said mirror to be raised in order to prevent water vapor condensation thereon, said nozzle means including a hose extending along said junction and arranged to spray heated water radially inward against the back surface of said mirror.
Claim 16
Dependent Claim
26 words
The mirror assembly of claim 13 wherein said arm includes at least one separable joint for allowing said arm to separate in case of trauma thereto.
Claim 17
Dependent Claim
13 words
The mirror assembly of claim 13 wherein said arm has two separable joints.
Claim 18
Dependent Claim
36 words
The mirror assembly of claim 13 wherein said arm includes a rotary joint so that it can be pivoted so that the front reflecting face of said mirror can be turned toward said wall during non-use.
Claim 19
Dependent Claim
23 words
The mirror assembly of claim 13 wherein said mounting means is arranged to enable said arm to be attached to a showerhead pipe.
Claim 20
Dependent Claim
57 words
The mirror assembly of claim 17 wherein said mounting means is arranged to be mounted between said showerhead pipe and a showerhead so as to convey shower water from said showerhead pipe to said showerhead, a proximal end of said supply tube being open and extending into the path of said shower water within said mounting means.
Claim 21
Dependent Claim
25 words
The mirror assembly of claim 13 wherein said nozzle means includes a plurality of dispersion outlets spaced along at least one edge of said mirror.
Claim 22
Dependent Claim
28 words
The mirror assembly of claim 13 wherein said mirror is circular and said nozzle means includes a plurality of dispersion outlets located around the periphery of said mirror.
Claim 23
Dependent Claim
37 words
The mirror assembly of claim 13 wherein said nozzle means includes a spray outlet located in the central portion of the back surface of said mirror for spraying heated water radially outwardly in said temperature control space.
Claim 24
Dependent Claim
27 words
The mirror assembly of claim 13, further including a back plate attached on the rear of said frame for at least partially enclosing said temperature control space.
Claim 25
Dependent Claim
138 words
The mirror assembly of claim 22 wherein said mirror has a circular shape, said frame comprises a circular flange surrounding said mirror and extending to the rear of said mirror to partially surround said temperature control space, said back plate being positioned within said frame behind said mirror to partially enclose said temperature control space in cooperation with said frame, said back plate having a larger diameter than the inner diameter of said circular flange when said back plate is not positioned within said circular flange, such that said back plate expands the rear portion of said circular flange when it is positioned therein and concomitantly compresses the front portion of said circular flange and said mirror so as to cause the front surface of said mirror to assume a concave shape and thereby become a magnifying mirror.
Claim 26
Dependent Claim
31 words
The mirror assembly of claim 13, further including drain means at the lower end of said temperature control space for allowing gravity flow of water away from said temperature control space.
Claim 27
Dependent Claim
24 words
The mirror assembly of claim 13 wherein said frame includes a flange overlying the peripheral portion of the front reflecting face of said mirror.
Claim 28
Dependent Claim
46 words
The mirror assembly of claim 13, further including restraint means for holding said hose against said junction between said frame and said mirror panel to act as a gasket to prevent heated water from leaking through said junction to said front reflecting face of said mirror.
Claim 29
Dependent Claim
40 words
The mirror assembly of claim 26, further including a back plate at least partially enclosing said temperature control space to provide more efficient heat transfer from said heated water dispersed from said hose to said back face of said mirror.
Claim 30
Dependent Claim
38 words
The mirror assembly of claim 27, further including a plurality of holes in at least one of said frame and said back plate for allowing gravity flow drainage of said heated water away from said temperature control space.
Claim 31
Dependent Claim
14 words
The mirror assembly of claim 28 wherein said restraint means includes said back plate.
Claim 32
Dependent Claim
31 words
The mirror assembly of claim 29 wherein said restraint means further includes a shoulder on said frame which abuts said back plate to hold it in restraining position against said hose.
Claim 33
Dependent Claim
37 words
The mirror assembly of claim 13 wherein said arm is a flex-arm which includes a plurality of ball and socket joints which move relative to each other to allow both translational and pivotal movements of said mirror.
Claim 34
Dependent Claim
27 words
The mirror assembly of claim 31 wherein said ball and socket joints are separable so that said flex-arm will separate in case of trauma to said mirror.
Claim 35
Dependent Claim
33 words
The mirror assembly of claim 31, further including a junction between said hose and said nozzle means so as to allow relative movement therebetween when said mirror is rotated relative to said arm.
Claim 36
Dependent Claim
62 words
The mirror assembly of claim 13 further including attachment means for connecting said arm to said frame, and wherein said tube extends into said frame and said attachment means by friction fit, such that if said arm separates or breaks, said tube will tend to hold the separate components together and will form a gasket with said mounting means and said frame.
Claim 37
Dependent Claim
43 words
The mirror assembly of claim 34 wherein said frame includes a relief slot at its place of engagement with said tube such that if water enters the space surrounding said tube and in said arm, it can escape therefrom through said relief slot.
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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) | 1992-06-05 | 1992-12-05 | 1993-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-05 | 1996-12-05 | 1997-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-05 | 2000-12-05 | 2001-06-06 | $7700.00 | Window Closed / Lapsed |