Title:
Outlet socket fitting for central vacuum-cleaning systems
United States Patent 3088484
Inventors:
Marsh, George W.
Publication Date:
05/07/1963
Export Citation:
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Assignee:
Marsh, George W.
Primary Class:
137/360
Other Classes:
4/252.2, 15/301, 55/DIG.3, 55/DIG.8, 251/299, 285/7, 285/368
International Classes:
A47L5/38; F16K31/528; A47L5/22; F16K31/52
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US Patent References:
3036814Inlet valve assembly
2861586Connector for vacuum cleaners
2851286Inlet valve assembly for central vacuum systems
2825921Central vacuum cleaning system
2725113Combined air conditioning and vacuum cleaning apparatus for buildings
2505376Vacuum relief valve
2481018Relief valve
1853203Outlet box support
1741899Combined eighth bend and clean-out pipe fitting
1717471Outlet fixture for pneumatic systems
1557509Sanitary tee
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0980418N/A