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US4057353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor cleaning device
Assignee: Individual
•
Filing: 1976-05-11
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Granted: 1977-11-08
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Expires: 1996-05-11
Abstract
Abstract A floor cleaning device which includes a handle of hollow pipe, one end of which is connected to a hose for supplying water, and a polishing head detachably connected to the other end thereof. The middle portion of the hollow pipe is divided into two flow passages by means of a partitioning. A valve is mounted in the upper end portions of the flow passages so as to selectively block either of them, and a net is stretched at the lower end of one of the flow passages. The polishing head has a brush or sponge for cleaning the floor and has plural holes communicating with the hollow pipe so as to supply the brush or sponge with water.
Inventors
- 👤 Tatsuyuki Kitatani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:23
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/26
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
166 words
A floor cleaning device connected to a water supply by a hose, comprising: a hollow pipe handle connected at one end to said hose; a partition at a midway portion of said pipe handle dividing said pipe into two flow passages; flap means positioned at said partition and pivotable back and forth on both sides of said partition for alternatively closing off one of said flow passages in said pipe; pipe means connected to said flap means and extending through said hollow pipe in a water-tight relationship for pivoting said flap means back and forth across said passages; a screen stretched across the downstream end of one of said flow passages at said partition; and polishing means removably connected to the end of said hollow pipe handle opposite the end connected to said hose for cleaning the floor surface to be cleaned, said polishing means having a plurality of holes therethrough communicating with said hollow pipe, whereby water in said pipe will pass through said holes.
Claim 2
Dependent Claim
166 words
A floor cleaning device connected to a water supply by a hose, comprising: a hollow pipe handle connected at one end to said hose; a partition at a midway portion of said pipe handle dividing said pipe into two flow passages; flap means positioned at said partition and pivotable back and forth on both sides of said partition for alternatively closing off one of said flow passages in said pipe; pipe means connected to said flap means and extending through said hollow pipe in a water-tight relationship for pivoting said flap means back and forth across said passages; a screen stretched across the downstream end of one of said flow passages at said partition; and polishing means removably connected to the end of said hollow pipe handle opposite the end connected to said hose for cleaning the floor surface to be cleaned, said polishing means having a plurality of holes therethrough communicating with said hollow pipe, whereby water in said pipe will pass through said holes.
Claim 3
Dependent Claim
19 words
A device as claimed in claim 1 wherein said polishing means is comprised of a brush having holes therethrough.
Claim 4
Dependent Claim
49 words
A device as claimed in claim 1 wherein said polishing means is comprised of a polishing head connected to said hollow pipe; a plate having a plurality of holes therethrough mounted within said head; and a sponge attached to said plate on the side thereof opposite said hollow pipe.
Claim 5
Dependent Claim
27 words
A device as claimed in claim 1 wherein said hollow pipe handle is comprised of two pipe sections threaded together above said partition forming said fluid passages.
Claim 6
Dependent Claim
29 words
A device as claimed in claim 1 further comprising a rotatable elbow pipe connected to the upper end of said hollow pipe handle between said pipe and said hose.
References Cited (Backward Citations)
US1051328A
Cited
US1277805A
Cited
US2708599A
Cited
US2797132A
Cited
US3161905A
Cited
US3271809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-11-07 | 1981-05-09 | 1981-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-11-07 | 1985-05-09 | 1985-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-11-07 | 1989-05-09 | 1989-11-08 | $7700.00 | Window Closed / Lapsed |