USPatentGranted
S

Two position pressure demand inlet port adaptor

Granted 29 Feb 2000 · no office action yet

Current assignee: 3M Innovative Properties Company · originally 3M Company

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Inventors: Joseph G. Reischel, David P. Knivsland, Michael J. Bartholomew · Examiner: Stella Reid · AU 294 · TC 2900

Application
Not granted yet
filed 20 Jul 1998
Publication
Not published
not published
Patent· this page
US D421301
granted 29 Feb 2000

Life of the patent

5 dated events
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Description

1 parts
›FIG. 1 is a perspective view of a…

FIG. 1 is a perspective view of a two position pressure demand inlet port adaptor, showing the new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a right-side elevational view thereof.

FIG. 5 is a left-side elevational view thereof.

FIG. 6 is a top plan view thereof.

FIG. 7 is a bottom plan view thereof.

FIG. 8 is a perspective view of a second embodiment of a two position pressure demand inlet port adaptor, showing the new design.

FIG. 9 is a front elevational view of the second embodiment shown in FIG. 8. The rear right side, left side, bottom and top elevational views are the same as those corresponding views illustrated in reference to the first embodiment.

FIG. 10 is a perspective view of a third embodiment of a two position pressure demand inlet port adaptor, showing the new design.

FIG. 11 is a front elevational view of the third embodiment shown in FIG. 10. The rear right side, bottom and top elevational views are the same as those corresponding views illustrated in reference to the first embodiment.

FIG. 12 is a perspective view of a fourth embodiment of a two position pressure demand inlet port adaptor, showing the new design; and,

FIG. 13 is a front elevational view of the fourth embodiment shown in FIG. 12. The rear right side, left side, bottom and top elevational views are the same as those corresponding views illustrated in reference to the first embodiment.

The broken lines shown in the drawings form no part of the claimed design. The shading shown in the drawings is provided merely to indicate the contour of the design; it is not intended to be indicative of any particular texture.

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

2 codes
USPC · US Patent Classification
D24/110.6D24/110

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Pendency
1.6 y
589 days filing → grant
Office actions
0
on the grant's record
Examiner
Stella Reid
art unit 294 · TC 2900
Citations: 12 back · 0 forward

Chain of title

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