JPS549456A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Vacuum cleaner
Assignee: Toshiba Corp
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Filing: 1977-06-22
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Granted: —
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Expires: 1997-06-22
Abstract
Abstract PURPOSE: To improve the dust collecting efficiency of a vacuum cleaner and to reduce the noise of the cleaner at cleaning time. COPYRIGHT: (C)1979,JPO&Japio
Inventors
- 👤 Haruhiko Sakata
- 👤 Isamu Niikura
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-07 20:24
CPC Classifications
—
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