USPatentGranted
S1

Respirator

Granted 29 Apr 2003 · no office action yet

Current assignee: 3M Company · originally Cabot Safety Intermediate Corporation

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Attorney: Attorney · Log in to unlock

Inventors: David Honan, Alan Levin, Kevin Krauss, Keith E. Fecteau +1 · Examiner: Ian Simmons · AU 2914 · TC 2900

Application
29/149,754
filed 16 Oct 2001
Publication
Not published
not published
Patent· this page
US D473937
granted 29 Apr 2003

Life of the patent

17 dated events
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Description

1 parts
›FIG. 1 is a frontal corner perspective view…

FIG. 1 is a frontal corner perspective view of a respirator showing my new design;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a side perspective view thereof;

FIG. 4 is a front perspective view thereof, the broken line showing is for illustrative purposes only and forms no part of the claimed design; and,

FIG. 5 is a bottom perspective view thereof.

the grant prints no section headings; every part label below is ours, taken from that part's own first words

Claims

1 · 1 independent · depth 1
1 granted claims

Classifications

3 codes
IPC · International Patent Classification
Section /
  • /DRW
USPC · US Patent Classification
D24/110.1D24/110.2

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File wrapper

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Pendency
1.5 y
560 days filing → grant
Office actions
0
none on record
Examiner
Ian Simmons
art unit 2914 · TC 2900
Citations: 98 back · 0 forward

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Chain of title

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Term & fees

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Validity challenges

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Citations

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