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
GB1366230A
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.)
PLATT Ltd R
Original Assignee
PLATT Ltd R
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 PLATT Ltd RfiledCriticalPLATT Ltd R
Priority to GB1366230ApriorityCriticalpatent/GB353547A/en
Publication of GB353547ApublicationCriticalpatent/GB353547A/en
B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
B43L1/04—Blackboards
B43L1/10—Writing surfaces thereof
Landscapes
Finishing Walls
(AREA)
Abstract
353,547. Blackboards &c. PLATT, H. H. and PLATT, Ltd., R., 17, Wallgate, Wigan. May 3, 1930, No. 13662. Drawings to Specification. [Class 146 (ii).] Blackboards, wall-boards, or the like are formed with a body of plywood, compo-board, papiermache, or other wood substitute, to the surface of which is applied by gluing under pressure a facing of vulcanized fibre. The corners of the board may be protected by corner pieces of a wear-resisting material, e.g. impregnated multi-ply cotton fabric known by the registered Trade Mark "Ferodo."
GB1366230A1930-05-031930-05-03Improvements in blackboards, wall-boards and the like
ExpiredGB353547A
(en)