USPatentGranted
S

Manually actuated diaphragm valve with lockout feature for open and closed positions

Granted 6 Apr 1999 · no office action yet

Current assignee: Swagelok Marketing Co. · originally Swagelok Company

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Inventors: Thomas E. DiBiase, Dale J. Kitchen · Examiner: Alan P. Douglas · AU 291 · TC 2900

Application
Not granted yet
filed 2 Apr 1997
Publication
Not published
not published
Patent· this page
US D407799
granted 6 Apr 1999

Life of the patent

2 dated events
⤢ drag to zoomApr 1997Jul 1997Oct 1997Jan 1998Apr 1998Jul 1998Oct 1998Jan 1999Apr 1999Prosecution
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Description

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

FIG. 1 is a perspective view of the valve with a toggle handle taken generally from the upper left side with the handle being shown in an upright position, the lock shown in broken lines forming no portion of the subject invention;

FIG. 2 is a perspective view substantially similar to FIG. 1 except taken from the upper right side and showing the handle in a lowered position, the lock shown in broken lines forming no part of the subject invention;

FIG. 3 is a front elevational view thereof with the lock removed and the handle in a lowered position;

FIG. 4 is a right side elevational view thereof with the lock removed and the handle in a lowered position;

FIG. 5 is a left side elevational view thereof with the lock removed and the handle in a lowered position;

FIG. 6 is a rear elevational view thereof with the lock removed and the handle in a lowered position;

FIG. 7 is a top plan view thereof with the lock removed and the handle in a lowered position; and,

FIG. 8 is a bottom plan view thereof with the lock removed and the handle in a lowered position.

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

1 codes
USPC · US Patent Classification
D23/245

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Pendency
2.0 y
734 days filing → grant
Office actions
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on the grant's record
Examiner
Alan P. Douglas
art unit 291 · TC 2900
Citations: 6 back · 0 forward

Chain of title

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