GB1389418A - Blackboard cleaners - Google Patents

Blackboard cleaners

Info

Publication number
GB1389418A
GB1389418A GB4760072A GB4760072A GB1389418A GB 1389418 A GB1389418 A GB 1389418A GB 4760072 A GB4760072 A GB 4760072A GB 4760072 A GB4760072 A GB 4760072A GB 1389418 A GB1389418 A GB 1389418A
Authority
GB
United Kingdom
Prior art keywords
handle
blackboard
cleaner
cleaning
cleaners
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4760072A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HARDY HANSON Ltd
Original Assignee
HARDY HANSON Ltd
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 HARDY HANSON Ltd filed Critical HARDY HANSON Ltd
Priority to GB4760072A priority Critical patent/GB1389418A/en
Publication of GB1389418A publication Critical patent/GB1389418A/en
Expired legal-status Critical Current

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
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/42—Details
    • A47L13/46—Securing scouring or polishing cloths or sponges to the handles by gripping means, tongs, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00—Blackboard or slate cleaning devices

Landscapes

  • Drawing Aids And Blackboards (AREA)

Abstract

1389418 Blackboard cleaning pads HARDY & HANSON Ltd 7 Jan 1974 [16 Oct 1972] 47600/72 Heading A4F A blackboard cleaner has a replaceable cleaning part 14, having a facing 20 of felt or other suitable cleaning material, the part 14 being slidable into position in a cavity 16 in a handle 10. The facing 20 is secured to a plastics backplate 18 slideable in grooves 24 in the handle 10. A screw 28 secures the parts 10,14 together and has an eye by which the cleaner may be suspended when not in use. The end-walls 12,26 of the cleaner are secured to the handle 10 and the cleaning part 14, respectively. In an alternative embodiment the end-walls are provided on the handle and at least one is detachable.
GB4760072A 1972-10-16 1972-10-16 Blackboard cleaners Expired GB1389418A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4760072A GB1389418A (en) 1972-10-16 1972-10-16 Blackboard cleaners

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4760072A GB1389418A (en) 1972-10-16 1972-10-16 Blackboard cleaners

Publications (1)

Publication Number Publication Date
GB1389418A true GB1389418A (en) 1975-04-03

Family

ID=10445559

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4760072A Expired GB1389418A (en) 1972-10-16 1972-10-16 Blackboard cleaners

Country Status (1)

Country Link
GB (1) GB1389418A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2480680A1 (en) * 1980-04-21 1981-10-23 Levy Daniel MAGNETIC PRESSURE ERASER BLOCK, MAKING A MARKER
US4543680A (en) * 1984-01-18 1985-10-01 Vlahos Stephanie A Blackboard eraser handle
FR2635050A1 (en) * 1988-08-02 1990-02-09 Zulick Tadeck Cartridge for transmission or recycling
FR2825594A1 (en) * 2001-06-11 2002-12-13 Safetool Eraser e.g. for white board used in offices has hollow body in two sections with flap to close open end

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2480680A1 (en) * 1980-04-21 1981-10-23 Levy Daniel MAGNETIC PRESSURE ERASER BLOCK, MAKING A MARKER
US4543680A (en) * 1984-01-18 1985-10-01 Vlahos Stephanie A Blackboard eraser handle
FR2635050A1 (en) * 1988-08-02 1990-02-09 Zulick Tadeck Cartridge for transmission or recycling
FR2825594A1 (en) * 2001-06-11 2002-12-13 Safetool Eraser e.g. for white board used in offices has hollow body in two sections with flap to close open end

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee