USD477401S1 - Pair of filter cartridges for a powered air-purifying respirator - Google Patents

Pair of filter cartridges for a powered air-purifying respirator Download PDF

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Publication number
USD477401S1
USD477401S1 US29/127,312 US12731200F USD477401S US D477401 S1 USD477401 S1 US D477401S1 US 12731200 F US12731200 F US 12731200F US D477401 S USD477401 S US D477401S
Authority
US
United States
Prior art keywords
pair
filter cartridges
powered air
purifying respirator
respirator
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 - Lifetime
Application number
US29/127,312
Inventor
Ian T. Petherbridge
David Cook
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.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Priority to US29/127,312 priority Critical patent/USD477401S1/en
Assigned to 3M INNOVATIVE PROPERTIES COMPANY reassignment 3M INNOVATIVE PROPERTIES COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PETHERBRIDGE, JAN T., COOK, DAVID
Application granted granted Critical
Publication of USD477401S1 publication Critical patent/USD477401S1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

FIG. 1 is a perspective view of a pair of filter cartridges for a powered air-purifying respirator, showing the new design in solid lines.
FIG. 2 is a top view thereof.
FIG. 3 is a left side view thereof.
FIG. 4 is a front view thereof.
FIG. 5 is a right side view thereof.
FIG. 6 is a bottom view thereof.
FIG. 7 is a rear view thereof; and,
FIG. 8 is a front view thereof, only illustrating the solid line portion of the design.
The broken line showing forms no part of the claimed design. The shading is provided only to illustrate contour; it is not indicative of texture, etc.

Claims (1)

  1. The ornamental design for a pair of filter cartridges for a powered air-purifying respirator.
US29/127,312 2000-08-03 2000-08-03 Pair of filter cartridges for a powered air-purifying respirator Expired - Lifetime USD477401S1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US29/127,312 USD477401S1 (en) 2000-08-03 2000-08-03 Pair of filter cartridges for a powered air-purifying respirator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29/127,312 USD477401S1 (en) 2000-08-03 2000-08-03 Pair of filter cartridges for a powered air-purifying respirator

Publications (1)

Publication Number Publication Date
USD477401S1 true USD477401S1 (en) 2003-07-15

Family

ID=22429441

Family Applications (1)

Application Number Title Priority Date Filing Date
US29/127,312 Expired - Lifetime USD477401S1 (en) 2000-08-03 2000-08-03 Pair of filter cartridges for a powered air-purifying respirator

Country Status (1)

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US (1) USD477401S1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7404401B1 (en) 2005-06-10 2008-07-29 Marlon Brady Water respirator filter
USD652909S1 (en) * 2006-04-28 2012-01-24 Resmed Limited Respiratory mask frame
USD755973S1 (en) * 2015-06-25 2016-05-10 The Gym Guy Llc Anaerobic cardio trainer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Domestic Preparedness—Powered Air Protection for First Responders C420 Mil-Spec PAPR; SCOTT a Scott Technologies Company (dated Sep. 1999) (a four page brochure).

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7404401B1 (en) 2005-06-10 2008-07-29 Marlon Brady Water respirator filter
USD652909S1 (en) * 2006-04-28 2012-01-24 Resmed Limited Respiratory mask frame
USD669576S1 (en) 2006-04-28 2012-10-23 Resmed Limited Respiratory mask frame
USD755973S1 (en) * 2015-06-25 2016-05-10 The Gym Guy Llc Anaerobic cardio trainer

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