WO2021101900A1 - Dispositif de désinfection de chaussure - Google Patents

Dispositif de désinfection de chaussure Download PDF

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Publication number
WO2021101900A1
WO2021101900A1 PCT/US2020/060904 US2020060904W WO2021101900A1 WO 2021101900 A1 WO2021101900 A1 WO 2021101900A1 US 2020060904 W US2020060904 W US 2020060904W WO 2021101900 A1 WO2021101900 A1 WO 2021101900A1
Authority
WO
WIPO (PCT)
Prior art keywords
shoe
disinfecting device
pump
liquid
recess
Prior art date
Application number
PCT/US2020/060904
Other languages
English (en)
Inventor
Dillon George
Original Assignee
DG Technologies LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DG Technologies LLC filed Critical DG Technologies LLC
Priority to CA3162459A priority Critical patent/CA3162459A1/fr
Publication of WO2021101900A1 publication Critical patent/WO2021101900A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L23/00—Cleaning footwear
    • A47L23/22—Devices or implements resting on the floor for removing mud, dirt, or dust from footwear
    • A47L23/26—Mats or gratings combined with brushes ; Mats
    • A47L23/263—Mats or gratings combined with brushes ; Mats with moving or driven parts, also combined with suction cleaning
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L23/00—Cleaning footwear
    • A47L23/22—Devices or implements resting on the floor for removing mud, dirt, or dust from footwear
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L23/00—Cleaning footwear
    • A47L23/04—Hand implements for shoe-cleaning, with or without applicators for shoe polish
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L23/00—Cleaning footwear
    • A47L23/22—Devices or implements resting on the floor for removing mud, dirt, or dust from footwear
    • A47L23/24—Rigid cleaning-gratings; Tread plates or scrapers for cleaning the soles of footwear

Definitions

  • the present disclosure relates to the field of disinfecting devices. More particularly, the disclosure relates to a disinfecting device which is utilized to disinfect the bottom of a shoe.
  • the shoe disinfecting device includes a base having a first recess, a shoe wiping pad removably positioned within the first recess, a disinfecting liquid reservoir mounted within the base, a liquid pump in fluid communication with the disinfecting liquid reservoir, and at least one nozzle in fluid communication with the liquid pump and positioned to direct a spray of liquid from the at least one nozzle onto the shoe wiping pad.
  • FIG. 1 is a perspective view of the shoe disinfecting device embodying principles of the invention.
  • Fig. 2 is a cross-sectional side view of the shoe disinfecting device of Fig. 1, shown in a first, extended position.
  • Fig. 3 is a cross-sectional side view of the shoe disinfecting device of Fig. 1., shown in a second, depressed position.
  • FIG. 4 is a perspective view of the shoe disinfecting device embodying principles of the invention in another form.
  • FIG. 5 is an exploded, perspective view of the shoe disinfecting device of Fig. 4.
  • Fig. 6 is a top view of the shoe disinfecting device of Fig. 4.
  • Fig. 7 is a front view of the shoe disinfecting device of Fig. 4.
  • Fig. 8 is a right side view of the shoe disinfecting device of Fig. 4.
  • Fig. 9 is a rear view of the shoe disinfecting device of Fig. 4.
  • Fig. 10 is a bottom view of the shoe disinfecting device of Fig. 4.
  • FIG. 11 is an exploded, perspective view of the shoe disinfecting device embodying principles of the invention in another form.
  • spatially relative terms such as “up,” “down,” “right,” “left,” “beneath,” “below,” “lower,” “above,” “upper” and the like, may be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over or rotated, elements described as “below” or “beneath” other elements or features would then be oriented “above” the other elements or features. Thus, the exemplary term “below” can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
  • Figs. 1-3 show a shoe disinfecting device, under an embodiment.
  • the shoe disinfecting device 10 has a generally rectangular shaped base 12.
  • the base 12 has peripheral side walls 14 extending upwardly from a floor 16.
  • the base 12 is configured to hold a liquid disinfecting solution S, such as an alcohol, propanol, benzalkonium chloride, triclosan or similar commonly available disinfectants.
  • the shoe disinfecting device 10 also includes a lid or platform 20 which is configured to fit within the base 12 for relative vertical movement therebetween.
  • the lid 20 includes a series of liquid holes, nozzles, or passages 22 extending there through.
  • the lid 20 has an upper surface 24 having a rough texture provided by a series of upright bristles, ridges or randomly oriented fibers 26.
  • a liquid storage reservoir or compartment 27 is formed from the combination of the base 12 and lid 20, which also acts as a pump when actuated.
  • the lid 20 is spring loaded so that the lid is biased upwardly from a depressed position, shown in Fig. 3, towards an extended position, shown in Fig. 2.
  • the spring loading may be accomplished through any conventional manner, such as with coil springs, flat springs, blocks of resilient rubber, compressible material, or the like, but is shown as a compressible block of material 28 in the drawings.
  • the return motion of the lid may create a vacuum within the base 12 which pulls back any liquid remaining on top of the lid's upper surface 24.
  • the shoe disinfecting device 10 also includes a side tray 30 to which is mounted a removable or disposable wiping cloth 32.
  • the side tray 30 may be fixed in position or may be movable so as to retract within the base 12 when stowed or not in use.
  • a quantity of disinfecting solution S is placed within the base 12 so that it rises to the appropriate initial level within the base 12. With the disinfecting solution S filled to this level, the lid 20 is then positioned into the base 12 atop the disinfecting solution S.
  • any motion of the person's shoe upon the lid 20 causes the disinfecting solution S, and especially the disinfecting solution S upon the bristles 26, to be worked over the bottom surface of the shoe or shoe's sole.
  • the bristles 26 aid in enabling the disinfecting solution S to be worked into any small crevices within the shoe's bottom surface.
  • the person may then position the bottom surface of the shoe upon the wiping cloth 32 coupled to the side tray 30. This placement of the shoe removes any excess disinfecting solution S present upon the bottom surface of the shoe.
  • the wiping cloth 32 may be removed and washed, or it may be replaced by another similar wiping cloth 32.
  • the shoe disinfecting device 40 constructed in accordance with another embodiment of the present invention.
  • the shoe disinfecting device 40 includes a base 42 which defines three separate recesses, specifically, a central recess 44, a right side recess 46, and a left side recess 48.
  • the central recess 40 is defined by central side walls 52 and floor 53.
  • the side recesses 46 and 48 are partially defined by central side walls 52, ancillary side walls 54 and floors 55.
  • the floors 53 and 55 are shown incorporated into a generally cross shaped bottom plate 56 which is coupled to the bottom of the base 42.
  • the base 42 also includes a rear wall 58 and an interior end wall 60 which in combination with central side walls 52 define a liquid container storage compartment 62.
  • the liquid container storage compartment 62 also includes a pivotal or removable cover or lid 64.
  • the base 42 also includes a front wall 68 and a second interior end wall 70 which in combination with the central side walls 52 define a pump storage compartment 72.
  • the pump storage compartment 72 also includes a pivotal or reciprocating push button, cover or lid 74.
  • a central frame 78 is pivotally coupled to a lower stepped area 84 of the interior end wall 60 through hinges 79 for pivotal movement between an open configuration and a closed configuration in register with the central recess 44.
  • the central frame 78 is a peripheral frame with a large central opening 80 therethrough, as best shown in Fig. 4.
  • the right and left side recesses 46 and 48 have overlying side frames 82 pivotally coupled to the ancillary side walls 54 through hinges 83 for pivotal movement between an open configuration and a closed configuration.
  • the side frames 82 also have central openings 86.
  • the shoe disinfecting device 40 includes a central wiping or scrubbing cloth or pad 90 removably positioned upon the floor 53 of the central recess 44.
  • the central pad 90 may be made of any material which is suitable for accepting a cleaning solution and scrubbing or cleaning the bottom of a shoe.
  • the central pad 90 may include bristles, nubs, or projections to aid in removing dirt within the sole of a shoe.
  • the central frame 78 overlays the peripheral margin of the cleaning pad 90 to maintain the position of the cleaning pad 90 during use.
  • a side drying pads 94 are removably positioned upon the floor 55 of the right and left side recesses 46 and 48.
  • the side drying pads 94 are made of any material which is suitable for drying the bottom of a shoe upon contact with the drying pad 94.
  • a removable disinfecting liquid pouch, bag, container or reservoir 98 is removably positioned within the liquid container storage compartment 62.
  • the reservoir 98 includes a removable cap 100 and a liquid dispending stem 102, which may be in the form of a specifically configured adaptor.
  • a manual liquid pump 106 is positioned within the pump storage compartment 72.
  • the liquid pump 106 includes a pump base 108, a pair of pump cylinders 110, and a pair of reciprocating pistons 112 having O-ring seals 114.
  • the pump pistons 112 are spring biased from a lower, compressed position to an upper decompressed position by a set of three springs 116 associated with each piston 112.
  • a liquid feed tube 120 extends between the reservoir stem 102 and the liquid pump 106 so that liquid disinfectant can flow from the reservoir 98 to the inlet of the pump 106.
  • Three liquid dispensing tubes 122 extend between the outlet of the pump 106 and three corresponding liquid spray nozzles 124 mounted to the interior end wall 60 and positioned to direct a spray of liquid onto the central pad 90.
  • a disinfecting liquid or solution is stored within the liquid reservoir 98.
  • the person steps down upon the push button lid 74, which forces the lid 74 to pivot downwardly thereby moving the pump pistons 112 within the pump cylinders 110, i.e., compressing the pump.
  • the compression of the pump 106 causes liquid to be expelled from the pump 106, through the dispensing tubes 122, and through the spray nozzles 124 onto the adjacent central pad 90, so that the central pad 90 is coated, saturated with, or wetted with the disinfecting solution.
  • the number, arrangement, and pattern of spray produced by the nozzles may be different from that shown in the preferred embodiment, for example, there may be one to four nozzles, or the nozzles may be arranged along either one or both sides of the central recess 44.
  • the shoe disinfecting device 140 constructed in accordance with another embodiment of the present invention.
  • the shoe disinfecting device 140 includes a base 142 which defines three separate recesses, specifically, a central recess 144, a right side recess 146, and a left side recess 148.
  • the central recess 144 is defined by central side walls 152 and floor 153.
  • the side recesses 146 and 148 are partially defined by central side walls 152, ancillary side walls 154 and floors 155.
  • the floors 153 and 155 are shown incorporated into a generally cross shaped bottom plate 156 which is coupled to the bottom of the base 142.
  • the base 142 also includes a rear wall 158 and an interior end wall 160 which in combination with central side walls 152 define a liquid container storage compartment 162.
  • the liquid container storage compartment 162 also includes a pivotal or removable cover or lid 164.
  • the base 142 also includes a front wall 168 and a second interior end wall 170 which in combination with the central side walls 152 define a pump storage compartment 172.
  • the pump storage compartment 172 also includes a pivotal or reciprocating push button, cover or lid
  • the shoe disinfecting device 140 includes a central wiping cloth or pad 190 removably positioned upon a perforated drain platform 186 positioned over the floor 153 of the central recess 144.
  • the central pad 190 may be made of any material which is suitable for accepting a cleaning solution and scrubbing or cleaning the bottom of a shoe.
  • the central pad 190 may include bristles, nubs, or projections to aid is removing dirt within the sole of a shoe.
  • the frame or hook and loop type fasteners 188 is mounted to the central pad 190 and drain platform 186 to releasably hold the central pad 190 to maintain the position of the cleaning pad 190 during use.
  • the fastener 188 may comprise an adhesive surface for attaching to central pad 190 and/or drain platform 186.
  • side drying pads 194 are removably positioned upon a perforated drain platform 195 positioned over the floor 155 of the right and left side recesses 146 and 148.
  • the side drying pads 194 are made of any material which is suitable for drying the bottom of a shoe upon contact with the drying pad 194.
  • Side hook and loop type fasteners 196 are mounted to the side pads 194 and drain platforms 195 to maintain the position of the dry pads 194 during use.
  • the fasteners 196 may comprise an adhesive surface for attaching to side drying pads 194 and/or drain platform 195.
  • the perforated drain platforms 186 and 195 provide for better airflow below the pads 190 and 194 to promote faster drying after use.
  • the drain platforms 186, 195 may comprise perforated metal.
  • the central pad 190 may comprise a series of .25" L x.25"W x.375"H Foam Posts.
  • the side drying pads 194 may comprise 0.5' ⁇ pile Microfiber.
  • the foam posts may be square or round, triangular, quadrilateral, hexagonal or octagonal or truncated, extruded polygons or pyramids to a point to help saturate the vertical surfaces of the texture or tread of the shoe.
  • a removable disinfecting liquid pouch, bag, container or reservoir 198 is removably positioned within the liquid container storage compartment 162.
  • the reservoir 198 includes a removable cap 200 and a liquid dispending stem 202.
  • An electric liquid pump 206 is positioned within the pump storage compartment 172.
  • the liquid pump 206 is coupled to a PCB controller 208 which is coupled to a battery pack 210.
  • the controller 208 and liquid pump 206 may be powered through a DC jack coupled to an electric power source, which may also be used to recharge the battery pack 210.
  • the controller 208 is coupled to an electronic switch 212 which controls the actuation of the electric pump 206.
  • the electric pump 206 may include a solenoid valve to reduce any dribbling of the liquid disinfectant from the nozzle upon the terminating of the spraying action.
  • the PCB controller 208 may include timing software or instruction that limits the amount of time the liquid pump 206 may be activated with each actuation.
  • a liquid feed tube 220 extending between the reservoir stem 202 and the liquid pump 206 so that liquid disinfectant can flow from the reservoir 198 to the inlet of the pump 206.
  • Three liquid dispensing tubes 222 extend between the outlet of the pump 206 and three corresponding liquid spray nozzles 224 mounted to the interior end wall 160 and positioned to direct a spray of liquid onto the central pad 190.
  • a disinfecting liquid or solution is stored within the liquid reservoir 198.
  • the person steps down upon the push button lid 174, which forces the lid 174 to pivot downwardly thereby actuating the electronic switch 212 to activate the electric pump 206 through controller 208.
  • the activation of the pump 206 causes liquid to be expelled from the pump 206, through the dispensing tubes 222, and through the spray nozzles 224 onto the adjacent central pad 190 so that the central pad 190 is coated, saturated with, or wetted with the disinfecting solution.
  • the number, arrangement, and pattern of spray produced by the nozzles may be different from that shown in the preferred embodiment, for example, there may be one to four nozzles, or the nozzles may be arranged along either one or both sides of the central recess 144.
  • the controller 208 controls the actuation of the pump for a preselected time period to prevent over saturation.
  • a proximity or motion sensor attached to a shoe disinfecting device may detect proximity of a user and activate the electric pump.
  • the central pad 190 now having the disinfecting liquid upon it, the person then wipes his or her shoes across the top surface of the central pad 190. The person may also wipe his or her shoes across the adjacent side dry pad 194 to dry off the shoe. The bottom or sole of the shoe is now disinfected.
  • the overall wet pad to dry pad configuration may be side to side. However the configuration may be front to back so the user walks on the wet pad and steps forward to the dry pad as to not re-contaminate the already cleaned shoe.
  • a vertical support or grip handles may extend from the base of a shoe disinfecting device up 36- 46” to help user balance while using the device.
  • the shoe disinfecting device 10 may also include lights, such as LED lights, to illuminate the cleaning pad 90 and/or side drying pads 94.
  • the lights may also be utilized to indicate the power level of the battery pack 210, for instance, through the flashing of the produced lights to indicate a low level of battery power.
  • the shoe disinfecting device 10 may also have a speaker and stored electronic signal to play a melody upon actuation of the shoe disinfecting device 10. Alternatively, a buzzer may be utilized to signal the activation of the shoe disinfecting device 10.
  • the shoe disinfecting device 10 may incorporate an on/off switch to turn the shoe disinfecting device 10 on and off to conserve power.
  • a shoe disinfecting device comprising under an embodiment a base having a first recess, a shoe wiping pad removably positioned within said first recess, a disinfecting liquid reservoir mounted within said base, a liquid pump in fluid communication with said disinfecting liquid reservoir, and at least one nozzle in fluid communication with said liquid pump and positioned to direct a spray of liquid from said at least one nozzle onto said shoe wiping pad.
  • the liquid pump of an embodiment is a motorized liquid pump.
  • the motorized liquid pump of an embodiment includes an activation switch positioned closely adjacent to said first recess.
  • the liquid pump of an embodiment is a manually actuated pump.
  • the manually actuated pump of an embodiment includes a pump cylinder, a reciprocating piston coupled to said pump cylinder, and a push button coupled to said reciprocating piston positioned to engage a user’s foot stepping upon said push button for forcible movement of said reciprocating piston.
  • the base of an embodiment further includes a second recess, and a first drying pad positioned within said second recess.
  • the base of an embodiment further includes a third recess, and a second drying pad positioned within said third recess, wherein said first recess is positioned between said second recess and said third recess.
  • the shoe disinfecting device of an embodiment comprises holding means for holding said shoe wiping pad securely within said first recess.
  • the holding means of an embodiment is a frame extending about a periphery of said shoe wiping pad.
  • the holding means of an embodiment is a mating pair of hook and loop type fasteners.
  • a shoe disinfecting device comprising under an embodiment a base, a shoe wiping pad removably coupled to said base, a disinfecting liquid reservoir coupled to said base, a liquid pump in fluid communication with said disinfecting liquid reservoir, and at least one nozzle in fluid communication with said liquid pump and positioned to spray liquid onto said shoe wiping pad.
  • the liquid pump of an embodiment is a motorized liquid pump.
  • the motorized liquid pump of an embodiment includes an activation switch positioned closely adjacent to said shoe wiping pad.
  • the liquid pump of an embodiment is a manually actuated pump.
  • the manually actuated pump of an embodiment includes a pump cylinder, a reciprocating piston coupled to said pump cylinder, and a push button coupled to said reciprocating piston positioned to engage a user’s foot stepping upon said push button for forcible movement of said reciprocating piston.
  • the shoe disinfecting device of an embodiment further comprises a first drying pad.
  • the base of an embodiment further includes a second drying pad, wherein said shoe wiping pad is positioned between said first drying pad and said second drying pad.
  • the shoe disinfecting device of an embodiment further comprises holding means for holding said shoe wiping pad securely to said base.
  • the holding means of an embodiment is a frame extending about a periphery of said shoe wiping pad.
  • the holding means of an embodiment is a mating pair of hook and loop type fasteners.

Landscapes

  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

La présente invention concerne un dispositif de désinfection de chaussure présentant une base qui définit un évidement central, un évidement latéral droit et un évidement latéral gauche. L'évidement central accueille un balayage central qui est maintenu par un cadre central. Des tampons de séchage latéraux sont également montés à l'intérieur d'évidements latéraux. Un réservoir de liquide désinfectant est monté amovible sur la base. Une pompe à liquide manuelle est accouplée au réservoir de liquide et à des buses positionnées pour diriger une pulvérisation de liquide sur le tampon central.
PCT/US2020/060904 2018-11-26 2020-11-17 Dispositif de désinfection de chaussure WO2021101900A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA3162459A CA3162459A1 (fr) 2018-11-26 2020-11-17 Dispositif de desinfection de chaussure

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862771350P 2018-11-26 2018-11-26
US16/692,040 2019-11-22
US16/692,040 US20200163532A1 (en) 2018-11-26 2019-11-22 Shoe disinfecting device

Publications (1)

Publication Number Publication Date
WO2021101900A1 true WO2021101900A1 (fr) 2021-05-27

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ID=70770079

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2020/060904 WO2021101900A1 (fr) 2018-11-26 2020-11-17 Dispositif de désinfection de chaussure

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US (2) US20200163532A1 (fr)
CA (1) CA3162459A1 (fr)
WO (1) WO2021101900A1 (fr)

Families Citing this family (6)

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Publication number Priority date Publication date Assignee Title
US20200163532A1 (en) * 2018-11-26 2020-05-28 DG Technologies LLC Shoe disinfecting device
US10912443B1 (en) * 2019-07-31 2021-02-09 R&L Marketing & Sales, Inc. Modular mat system
US11596253B2 (en) 2019-07-31 2023-03-07 R&L Marketing & Sales, Inc. Modular mat system
US11060301B2 (en) 2019-07-31 2021-07-13 R&L Marketing & Sales, Inc. Modular mat system
WO2022072800A1 (fr) * 2020-10-02 2022-04-07 Collaborative Mind, Llc Paillasson pour désinfecter les semelles de chaussures
GB2606577B (en) * 2021-05-14 2023-10-25 Aquablast Services Ltd Shoe or boot sole cleaning device and shoe or boot sole cleaning kit comprising the shoe or boot sole cleaning device

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US20070271715A1 (en) * 2006-05-24 2007-11-29 Don Scoralle Spray-wipe shoe sole cleaning apparatus and method of use
US20150096597A1 (en) * 2013-10-07 2015-04-09 Kamal R. Patel Apparatus for Sanitizing and Cleaning Soles of Feet and Footwear
US20190231166A1 (en) * 2018-01-30 2019-08-01 Eartha Anderson Footwear Cleaning Device
WO2019209917A1 (fr) * 2018-04-24 2019-10-31 Rotteveel Evert Dispositif de nettoyage de chaussure
US20200163532A1 (en) * 2018-11-26 2020-05-28 DG Technologies LLC Shoe disinfecting device

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US5164164A (en) * 1991-04-22 1992-11-17 Strickler Robert W Self actuating sole wetting apparatus
US6893508B2 (en) * 2000-03-06 2005-05-17 Ricky Lee Andrews Methods and apparatus for foot scrubbing
US6886210B2 (en) * 2001-08-08 2005-05-03 Saratoga Hotel Group, Llc Anti-microbial floor mat
DE202010009928U1 (de) * 2010-06-29 2010-11-11 Launhardt, Tommy Reinigungsgerät
US9457383B1 (en) * 2012-12-03 2016-10-04 Virginia D. Skerven Disinfecting mat device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070271715A1 (en) * 2006-05-24 2007-11-29 Don Scoralle Spray-wipe shoe sole cleaning apparatus and method of use
US20150096597A1 (en) * 2013-10-07 2015-04-09 Kamal R. Patel Apparatus for Sanitizing and Cleaning Soles of Feet and Footwear
US20190231166A1 (en) * 2018-01-30 2019-08-01 Eartha Anderson Footwear Cleaning Device
WO2019209917A1 (fr) * 2018-04-24 2019-10-31 Rotteveel Evert Dispositif de nettoyage de chaussure
US20200163532A1 (en) * 2018-11-26 2020-05-28 DG Technologies LLC Shoe disinfecting device

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Publication number Publication date
US20200163532A1 (en) 2020-05-28
CA3162459A1 (fr) 2021-05-27
US20230292988A1 (en) 2023-09-21

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