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US4686734A Expired / Lapsed US ⏱️ 0.0 years remaining

Spill inhibiting dust pan

Assignee: Individual
•
Filing: 1985-11-08
•
Granted: 1987-08-18
•
Expires: 2005-11-08
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Abstract

Abstract A dust pan form and design that permits the user to clean-up more effectively dust or debris from a surface. The dust pan has the particular feature of having an element that is flexible and transparent so as to conform to the surface being cleaned while permitting the use to see through the element to the surface.

Inventors

  • 👤 Charles Alexander

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 22:21
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/50; A47L13/52

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 274 words
A dust pan or the like for collecting movable materials from a surface to be cleaned, said dust pan comprising; (a) a rigid member, said rigid member having a body portion including a planar cross-section and an outer peripheral surface, said outer peripheral surface having at least a portion thereof establishing a convex surface substantially perpendicular to said planar cross-section, (b) a handle member fixed to said body portion of said rigid member at one edge thereof, (c) a flexible member, said flexible member having a fixed end and a free end, said fixed end of said flexible member being fixed to said outer portion of said peripheral surface of said rigid member and said free end of said flexible member extending away from said rigid member at the edge of said rigid member opposite said fixed connection of said handle member to said one edge of said body portion, said flexible member extending away from said rigid member at said opposite edge thereof a substantial distance, (d) said handle and rigid member cooperating with said flexible member to cause said free end of said flexible member to be pressable against said surface to be cleaned while said fixed end of said flexible member is being held by said outer peripheral surface of said rigid member to collect said materials being cleaned from said surface, (e) and said flexible member being self biased by said fixed connection to said outer periphery of said rigid member to return to the configuration of said outer peripheral surface of said rigid member when said handle and rigid member release said flexible member from said surface being cleaned.
Claim 2
Dependent Claim 274 words
A dust pan or the like for collecting movable materials from a surface to be cleaned, said dust pan comprising; (a) a rigid member, said rigid member having a body portion including a planar cross-section and an outer peripheral surface, said outer peripheral surface having at least a portion thereof establishing a convex surface substantially perpendicular to said planar cross-section, (b) a handle member fixed to said body portion of said rigid member at one edge thereof, (c) a flexible member, said flexible member having a fixed end and a free end, said fixed end of said flexible member being fixed to said outer portion of said peripheral surface of said rigid member and said free end of said flexible member extending away from said rigid member at the edge of said rigid member opposite said fixed connection of said handle member to said one edge of said body portion, said flexible member extending away from said rigid member at said opposite edge thereof a substantial distance, (d) said handle and rigid member cooperating with said flexible member to cause said free end of said flexible member to be pressable against said surface to be cleaned while said fixed end of said flexible member is being held by said outer peripheral surface of said rigid member to collect said materials being cleaned from said surface, (e) and said flexible member being self biased by said fixed connection to said outer periphery of said rigid member to return to the configuration of said outer peripheral surface of said rigid member when said handle and rigid member release said flexible member from said surface being cleaned.
Claim 3
Dependent Claim 42 words
The dust pan of claim 1 wherein said handle is fixed to said rigid member so that said handle extends from said body portion of said rigid member at an oblique angle with respect to said planar cross-section of said rigid member.
Claim 4
Dependent Claim 35 words
The dust pan of claim 2 with the addition of a means between said rigid member and said handle for adjusting said oblique angle between said body portion of said rigid member and said handle.
Claim 5
Dependent Claim 19 words
The dust pan of claim 1 wherein said handle is sectional with mating joints between sections of said handle.
Claim 6
Dependent Claim 12 words
The dust pan of claim 1 wherein said flexible member is transparent.
Claim 7
Dependent Claim 19 words
The dust pan of claim 1 wherein said outer peripheral surface of said rigid member is cylinderical in shape.
Claim 8
Dependent Claim 12 words
The dust pan of claim 1 wherein said rigid member is disk-shaped.
Claim 9
Dependent Claim 394 words
A dust pan or the like for collecting movable materials from a surface to be cleaned, said dust pan comprising; (a) a rigid member, said rigid member having a body portion including a planar cross-section and an outer peripheral surface, said outer peripheral surface having at least a portion thereof establishing a surface substantially perpendicular to said planar cross-section, said portion of said outer peripheral surface further having a smooth outer surface forming at least a portion of a cylinder, (b) a handle member, said handle member being fixed to said body portion of said rigid member at one edge of said body portion, said handle member extending from said body portion of said rigid member at an oblique angle with respect to said planar cross-section of said rigid member, (c) a flexible member, said flexible member having a fixed end and a free end, said fixed end of said flexible member being fixed to said smooth outer surface of said outer peripheral surface of said rigid member, said free end of said flexible member extending away from said rigid member at the edge of said rigid member opposite said fixed connection of said handle member to said one edge of said body portion, said flexible member extending away from said rigid member substantially perpendicular to said planar cross-section at said opposite edge thereof a substantial distance, said flexibility of said flexible member permitting said free end of said flexible member to flex while said fixed end of said flexible member maintains the form of said smooth outer surface of said portion of said outer peripheral surface, (d) said handle and rigid member cooperating with said flexible member to cause said free end of said flexible member to be pressable against said surface to be cleaned while said fixed end of said flexible member is being held by said smooth outer surface of said outer peripheral surface of said rigid member to collect said materials being cleaned from said surface, (e) and said flexible member being self biased by said fixed connection to said smooth outer surface of said outer peripheral surface of said rigid member to cause said free end of said flexible member to return to the configuration of said outer peripheral surface of said rigid member when said handle and rigid member release said flexible member from said surface being cleaned.
Claim 10
Dependent Claim 394 words
A dust pan or the like for collecting movable materials from a surface to be cleaned, said dust pan comprising; (a) a rigid member, said rigid member having a body portion including a planar cross-section and an outer peripheral surface, said outer peripheral surface having at least a portion thereof establishing a surface substantially perpendicular to said planar cross-section, said portion of said outer peripheral surface further having a smooth outer surface forming at least a portion of a cylinder, (b) a handle member, said handle member being fixed to said body portion of said rigid member at one edge of said body portion, said handle member extending from said body portion of said rigid member at an oblique angle with respect to said planar cross-section of said rigid member, (c) a flexible member, said flexible member having a fixed end and a free end, said fixed end of said flexible member being fixed to said smooth outer surface of said outer peripheral surface of said rigid member, said free end of said flexible member extending away from said rigid member at the edge of said rigid member opposite said fixed connection of said handle member to said one edge of said body portion, said flexible member extending away from said rigid member substantially perpendicular to said planar cross-section at said opposite edge thereof a substantial distance, said flexibility of said flexible member permitting said free end of said flexible member to flex while said fixed end of said flexible member maintains the form of said smooth outer surface of said portion of said outer peripheral surface, (d) said handle and rigid member cooperating with said flexible member to cause said free end of said flexible member to be pressable against said surface to be cleaned while said fixed end of said flexible member is being held by said smooth outer surface of said outer peripheral surface of said rigid member to collect said materials being cleaned from said surface, (e) and said flexible member being self biased by said fixed connection to said smooth outer surface of said outer peripheral surface of said rigid member to cause said free end of said flexible member to return to the configuration of said outer peripheral surface of said rigid member when said handle and rigid member release said flexible member from said surface being cleaned.

References Cited (Backward Citations)

US203885A Cited
US1262294A Cited
US1982182A Cited
US2666309A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-08-17 1991-02-16 1991-08-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-08-17 1995-02-16 1995-08-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-08-17 1999-02-16 1999-08-18 $7700.00 Window Closed / Lapsed

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