GB481505A - Improvements in signs, indicators and landmarks - Google Patents

Improvements in signs, indicators and landmarks

Info

Publication number
GB481505A
GB481505A GB2441336A GB2441336A GB481505A GB 481505 A GB481505 A GB 481505A GB 2441336 A GB2441336 A GB 2441336A GB 2441336 A GB2441336 A GB 2441336A GB 481505 A GB481505 A GB 481505A
Authority
GB
United Kingdom
Prior art keywords
signs
sign
hole
blank
face
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
GB2441336A
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.)
HUMPHRY COLLIS WOOLRYCH
Original Assignee
HUMPHRY COLLIS WOOLRYCH
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 HUMPHRY COLLIS WOOLRYCH filed Critical HUMPHRY COLLIS WOOLRYCH
Priority to GB2441336A priority Critical patent/GB481505A/en
Publication of GB481505A publication Critical patent/GB481505A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/002—Distress signalling devices, e.g. rescue balloons

Abstract

481,505. Signs. WOOLRYCH, H. C. Sept. 7, 1936, No. 24413. Drawings to Specification. [Class 3 (ii)] A sign for indicating places which have been contaminated by deleterious substances such as poison gas, consists of a hollow sheet-metal regular tetrahedron with one face blank, the inner and outer faces of the tetrahedron being brightly coloured and the apex opposite the blank face being formed with a hole for receiving a rod or cord upon which a number of tetrahedra can be mounted in a nested condition. The sign may be secured to any surface by a spike or the like passing through a hole in any of its faces.
GB2441336A 1936-09-07 1936-09-07 Improvements in signs, indicators and landmarks Expired GB481505A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2441336A GB481505A (en) 1936-09-07 1936-09-07 Improvements in signs, indicators and landmarks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2441336A GB481505A (en) 1936-09-07 1936-09-07 Improvements in signs, indicators and landmarks

Publications (1)

Publication Number Publication Date
GB481505A true GB481505A (en) 1938-03-07

Family

ID=10211344

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2441336A Expired GB481505A (en) 1936-09-07 1936-09-07 Improvements in signs, indicators and landmarks

Country Status (1)

Country Link
GB (1) GB481505A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3043196A (en) * 1957-09-18 1962-07-10 Minnesota Mining & Mfg Reflective marking aggregate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3043196A (en) * 1957-09-18 1962-07-10 Minnesota Mining & Mfg Reflective marking aggregate

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