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US5896618A Expired / Lapsed US ⏱️ 0.0 years remaining

Vacuum cleaner

Assignee: Samsung Electronics Co Ltd
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Filing: 1997-04-14
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Granted: 1999-04-27
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Expires: 2017-04-14
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Abstract

Abstract A vacuum cleaner, which has a cleaning attachment through which dirt and dust are drawn, includes a lighting device that illuminates a surface to be cleaned. The lighting device includes a bulb in a groove that is formed at the cleaning attachment's front, thus horizontally illuminating the surface. Preferably, the bulb is a halogen lamp which is of predetermined length. The groove includes a plurality of air holes so that outside air can flow into the groove. A filter is provided in the air holes to prevent dust and dirt from getting into the groove. The lighting device may be detachably mounted on the cleaning attachment, and includes a case and a bulb installed in the case for illumination. The case includes a plurality of locking pieces that securely fit into a slit formed on the cleaning attachment so that the lighting device is connected to the cleaning attachment.

Inventors

  • 👤 Han-Jin Woo
  • 👤 Jeong-Gon Song
  • 👤 Sung-Lo Cho

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 18:42
CPC Classifications
F; F21; F21V; F21V33/00; F21V33/0004; F21V33/0044; A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/362; A47L9/00; A47L9/02; A47L9/06; A47L9/28; A47L9/30

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 110 words
A vacuum cleaner equipped with a main body and a cleaning attachment having a suction path so as to draw up dirt and dust by using a vacuum generated by said main body, comprising: a lighting device mounted on said cleaning attachment to illuminate a surface to be cleaned, including a bulb for illumination set in a groove formed at a front part of said cleaning attachment and means for cooling said bulb, wherein the groove includes a plurality of air holes through which outside air flows into the groove; and a filter provided in the plurality of air holes to prevent dust and dirt from getting into the groove.
Claim 2
Dependent Claim 110 words
A vacuum cleaner equipped with a main body and a cleaning attachment having a suction path so as to draw up dirt and dust by using a vacuum generated by said main body, comprising: a lighting device mounted on said cleaning attachment to illuminate a surface to be cleaned, including a bulb for illumination set in a groove formed at a front part of said cleaning attachment and means for cooling said bulb, wherein the groove includes a plurality of air holes through which outside air flows into the groove; and a filter provided in the plurality of air holes to prevent dust and dirt from getting into the groove.
Claim 3
Dependent Claim 35 words
A vacuum cleaner as set forth in claim 1, wherein said lighting device is directly mounted on said cleaning attachment and further includes a case in which the bulb is installed to illuminate the surface.
Claim 4
Dependent Claim 40 words
A vacuum cleaner as set forth in claim 2, wherein the case includes a plurality of locking pieces that securely fit into a slit formed on said cleaning attachment so that said lighting device is connected to said cleaning attachment.
Claim 5
Dependent Claim 21 words
A vacuum cleaner as set forth in claim 2, further comprising a transparent window formed over said bulb on the groove.
Claim 6
Dependent Claim 31 words
A vacuum cleaner as set forth in claim 1, wherein said cooling means includes a plurality of heated-air emitting holes so that said groove is in communication with said suction path.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2002-04-26 2002-10-26 2003-04-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2006-04-26 2006-10-26 2007-04-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2010-04-26 2010-10-26 2011-04-27 $7700.00 Window Closed / Lapsed

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