KR900017389U - 전기 깔개 - Google Patents

전기 깔개

Info

Publication number
KR900017389U
KR900017389U KR2019890002631U KR890002631U KR900017389U KR 900017389 U KR900017389 U KR 900017389U KR 2019890002631 U KR2019890002631 U KR 2019890002631U KR 890002631 U KR890002631 U KR 890002631U KR 900017389 U KR900017389 U KR 900017389U
Authority
KR
South Korea
Prior art keywords
rug
electric
electric rug
Prior art date
Application number
KR2019890002631U
Other languages
English (en)
Other versions
KR910007907Y1 (ko
Inventor
임수근
Original Assignee
임수근
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 임수근 filed Critical 임수근
Priority to KR2019890002631U priority Critical patent/KR910007907Y1/ko
Publication of KR900017389U publication Critical patent/KR900017389U/ko
Application granted granted Critical
Publication of KR910007907Y1 publication Critical patent/KR910007907Y1/ko

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C21/00—Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
    • A47C21/04—Devices for ventilating, cooling or heating
    • A47C21/048—Devices for ventilating, cooling or heating for heating
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Central Heating Systems (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
KR2019890002631U 1989-03-08 1989-03-08 전기 깔개 KR910007907Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890002631U KR910007907Y1 (ko) 1989-03-08 1989-03-08 전기 깔개

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890002631U KR910007907Y1 (ko) 1989-03-08 1989-03-08 전기 깔개

Publications (2)

Publication Number Publication Date
KR900017389U true KR900017389U (ko) 1990-10-05
KR910007907Y1 KR910007907Y1 (ko) 1991-10-07

Family

ID=19284252

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890002631U KR910007907Y1 (ko) 1989-03-08 1989-03-08 전기 깔개

Country Status (1)

Country Link
KR (1) KR910007907Y1 (ko)

Also Published As

Publication number Publication date
KR910007907Y1 (ko) 1991-10-07

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
J204 Request for invalidation trial [patent]
J801 Dismissal of trial

Free format text: DISMISSAL OF TRIAL FOR INVALIDATION IN ENTIRETY REQUESTED 19960704

Effective date: 19970819

FPAY Annual fee payment

Payment date: 19980930

Year of fee payment: 9

LAPS Lapse due to unpaid annual fee