GB8916457D0 - Respirator filters - Google Patents

Respirator filters

Info

Publication number
GB8916457D0
GB8916457D0 GB898916457A GB8916457A GB8916457D0 GB 8916457 D0 GB8916457 D0 GB 8916457D0 GB 898916457 A GB898916457 A GB 898916457A GB 8916457 A GB8916457 A GB 8916457A GB 8916457 D0 GB8916457 D0 GB 8916457D0
Authority
GB
United Kingdom
Prior art keywords
respirator filters
respirator
filters
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.)
Granted
Application number
GB898916457A
Other versions
GB2221844A (en
GB2221844B (en
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.)
Scott Health and Safety Ltd
Original Assignee
Protector Safety 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 Protector Safety Ltd filed Critical Protector Safety Ltd
Publication of GB8916457D0 publication Critical patent/GB8916457D0/en
Publication of GB2221844A publication Critical patent/GB2221844A/en
Application granted granted Critical
Publication of GB2221844B publication Critical patent/GB2221844B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators
GB8916457A 1988-07-19 1989-07-19 Respirator filters Expired - Lifetime GB2221844B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888817144A GB8817144D0 (en) 1988-07-19 1988-07-19 Respirator filters

Publications (3)

Publication Number Publication Date
GB8916457D0 true GB8916457D0 (en) 1989-09-06
GB2221844A GB2221844A (en) 1990-02-21
GB2221844B GB2221844B (en) 1992-03-04

Family

ID=10640701

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888817144A Pending GB8817144D0 (en) 1988-07-19 1988-07-19 Respirator filters
GB8916457A Expired - Lifetime GB2221844B (en) 1988-07-19 1989-07-19 Respirator filters

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888817144A Pending GB8817144D0 (en) 1988-07-19 1988-07-19 Respirator filters

Country Status (1)

Country Link
GB (2) GB8817144D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8916361D0 (en) * 1989-07-18 1989-09-06 Smiths Industries Plc Filters
GB2307425A (en) * 1995-11-23 1997-05-28 Nationwide Filter Comp Ltd Filter assembly with biocide

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3481173D1 (en) * 1983-11-21 1990-03-08 Gilbert Vandeputte ADJUSTABLE HOSE CONNECTION VALVE FOR BREATHING AIR SUPPLY.

Also Published As

Publication number Publication date
GB2221844A (en) 1990-02-21
GB2221844B (en) 1992-03-04
GB8817144D0 (en) 1988-08-24

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20090718