US3903564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Table top cleaner
Assignee: JUJO CENTRAL CO Ltd
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Filing: 1973-10-31
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Granted: 1975-09-09
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Expires: 1993-10-31
Abstract
Abstract A cleaner comprising a casing in which cells and an electric motor are placed, a fan chamber disposed at a lower end of the casing and formed with openings in side walls in which a downwardly directed fan is mounted, and a dust collecting chamber detachably attached to a lower end of the fan chamber. The dust collecting chamber is formed in its central portion with a dust drawing orifice, a filter is arranged inside the fan chamber and juxtaposed to the openings, and a dust guide plate is provided at the bottom of the fan chamber. Small and other particles of dust drawn by suction through the dust drawing orifice are collected in the dust collecting chamber by the filter means and the guide plate.
Inventors
- 👤 Kikuo Morinaga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:36
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A table top cleaner comprising a casing in which an electric motor and dry cells for operating same are placed, a fan chamber disposed intermediate the upper and lower ends of said casing and formed with openings in the peripheral walls of said casing and extending around substantially the entire periphery, said fan chamber having mounted therein a suction fan facing downwardly and connected to a shaft of said electric motor, a dust collecting chamber for collecting therein particles of dust drawn by said suction fan and introduced into the fan chamber through a dust drawing passageway extending through said dust collecting chamber, and a filter means comprising a filter disposed around the periphery of said fan chamber and juxtaposed to said openings in said peripheral walls, said openings being disposed outwardly of said filter, said dust collecting chamber being disposed at the lower end of the casing, and bristles arranged around the intake orifice of said dust drawing passageway.
Claim 2
Dependent Claim
160 words
A table top cleaner comprising a casing in which an electric motor and dry cells for operating same are placed, a fan chamber disposed intermediate the upper and lower ends of said casing and formed with openings in the peripheral walls of said casing and extending around substantially the entire periphery, said fan chamber having mounted therein a suction fan facing downwardly and connected to a shaft of said electric motor, a dust collecting chamber for collecting therein particles of dust drawn by said suction fan and introduced into the fan chamber through a dust drawing passageway extending through said dust collecting chamber, and a filter means comprising a filter disposed around the periphery of said fan chamber and juxtaposed to said openings in said peripheral walls, said openings being disposed outwardly of said filter, said dust collecting chamber being disposed at the lower end of the casing, and bristles arranged around the intake orifice of said dust drawing passageway.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-08 | 1979-03-10 | 1979-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-08 | 1983-03-10 | 1983-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-08 | 1987-03-10 | 1987-09-09 | $7700.00 | Window Closed / Lapsed |