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US4068340A Expired / Lapsed US ⏱️ 0.0 years remaining

Steam and vacuum cleaning apparatus

Assignee: Steam Vacuum Extraction Ltd
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Filing: 1976-06-16
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Granted: 1978-01-17
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Expires: 1996-06-16
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Abstract

Abstract A lightweight mobile and efficient apparatus for cleaning fabrics by the simultaneous application thereto of steam and vacuum comprises a trolley having a lower deck which supports a water tank and a vacuum tank, and a detachable upper deck on which at least one motor, pump and ancillary components thereof are mounted.

Inventors

  • 👤 Raymond John Forward

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 11:56
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4013; A47L11/4016; A47L11/34; A47L11/408; A47L11/4086

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 273 words
A hot water and vacuum cleaning apparatus comprising: a wheeled base platform; a transparent water tank and a transparent vacuum tank mounted on the upper portion of said wheeled base platform, said vaccum tank having a common wall with said water tank; a main deck releasably attached to the upper portions of said tanks to enclose said tanks, said deck having separate compartments; attaching means carried by said tanks for releasably engaging said main deck to secure said main deck to said tanks; a pressure pump mounted on the upper surface of said main deck in one of said separate compartments above said water tank, said pump having an inlet pipe extending through said main deck and into said water tank, said pump having an outlet; an auxiliary deck mounted in another compartment of said main deck above said vacuum tank; a vacuum pump motor supported on said auxiliary deck; a vacuum pump supported between said main deck and said auxiliary deck and drivingly connected to said vacuum pump motor, said vacuum pump having an inlet extending through said main deck and into said vacuum tank; a cover retained on said main deck to enclose said compartments; a U-shaped carrying handle having a base and a pair of downwardly extending legs which retain said cover on said main deck to permit a user to grasp said base and remove said main deck from said tanks when said attaching means are released; first coupling means accessible through said cover for connecting a hose to said pressure pump; and second coupling means accessible through said cover for connecting a second hose to said vacuum tank.
Claim 2
Dependent Claim 273 words
A hot water and vacuum cleaning apparatus comprising: a wheeled base platform; a transparent water tank and a transparent vacuum tank mounted on the upper portion of said wheeled base platform, said vaccum tank having a common wall with said water tank; a main deck releasably attached to the upper portions of said tanks to enclose said tanks, said deck having separate compartments; attaching means carried by said tanks for releasably engaging said main deck to secure said main deck to said tanks; a pressure pump mounted on the upper surface of said main deck in one of said separate compartments above said water tank, said pump having an inlet pipe extending through said main deck and into said water tank, said pump having an outlet; an auxiliary deck mounted in another compartment of said main deck above said vacuum tank; a vacuum pump motor supported on said auxiliary deck; a vacuum pump supported between said main deck and said auxiliary deck and drivingly connected to said vacuum pump motor, said vacuum pump having an inlet extending through said main deck and into said vacuum tank; a cover retained on said main deck to enclose said compartments; a U-shaped carrying handle having a base and a pair of downwardly extending legs which retain said cover on said main deck to permit a user to grasp said base and remove said main deck from said tanks when said attaching means are released; first coupling means accessible through said cover for connecting a hose to said pressure pump; and second coupling means accessible through said cover for connecting a second hose to said vacuum tank.

References Cited (Backward Citations)

US2198322A Cited
CH408312A Cited
GB1288763A Cited
US3720977A Cited
US3848290A Cited
US3942217A Cited
US3818537A Cited
US3854163A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-01-16 1981-07-18 1982-01-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-01-16 1985-07-18 1986-01-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-01-16 1989-07-18 1990-01-17 $7700.00 Window Closed / Lapsed

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