GB909530A - Blackboard rubber cleaner - Google Patents

Blackboard rubber cleaner

Info

Publication number
GB909530A
GB909530A GB2232860A GB2232860A GB909530A GB 909530 A GB909530 A GB 909530A GB 2232860 A GB2232860 A GB 2232860A GB 2232860 A GB2232860 A GB 2232860A GB 909530 A GB909530 A GB 909530A
Authority
GB
United Kingdom
Prior art keywords
box
blackboard
rubber
wire mesh
rubber cleaner
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
GB2232860A
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.)
FREDERICK WILLIAM JORDAN
Original Assignee
FREDERICK WILLIAM JORDAN
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 FREDERICK WILLIAM JORDAN filed Critical FREDERICK WILLIAM JORDAN
Priority to GB2232860A priority Critical patent/GB909530A/en
Publication of GB909530A publication Critical patent/GB909530A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust

Landscapes

  • Drawing Aids And Blackboards (AREA)

Abstract

909,530. Blackboard rubber cleaners. JOBDAN, F. W. Dec. 19, 1960 [June 25, 1960], No. 22328/60. Class 146 (2). A blackboard rubber cleaner comprises a box having a piece of wire mesh secured across the open top thereof. The rubber is cleaned by rubbing it on the wire mesh and the chalk dust falls into the box. The box has a sliding bottom to facilitate emptying and a grooved shelf mounted on one side for the reception of pieces of chalk.
GB2232860A 1960-06-25 1960-06-25 Blackboard rubber cleaner Expired GB909530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2232860A GB909530A (en) 1960-06-25 1960-06-25 Blackboard rubber cleaner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2232860A GB909530A (en) 1960-06-25 1960-06-25 Blackboard rubber cleaner

Publications (1)

Publication Number Publication Date
GB909530A true GB909530A (en) 1962-10-31

Family

ID=10177610

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2232860A Expired GB909530A (en) 1960-06-25 1960-06-25 Blackboard rubber cleaner

Country Status (1)

Country Link
GB (1) GB909530A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986004302A1 (en) * 1985-01-22 1986-07-31 Gordon Sydney Jensen Dust extractors
GB2424246A (en) * 2005-03-17 2006-09-20 Colin Ray Ramsey Door Stop

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986004302A1 (en) * 1985-01-22 1986-07-31 Gordon Sydney Jensen Dust extractors
GB2424246A (en) * 2005-03-17 2006-09-20 Colin Ray Ramsey Door Stop
GB2424246B (en) * 2005-03-17 2008-06-04 Colin Ray Ramsey Improvements in door stops

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