Patent CA977910A successfully refreshed from Google Patents.
CA977910A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Vacuum cleaner
Assignee: WORLD INVENTIONS Ltd
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Filing: 1973-01-16
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Granted: 1975-11-18
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Expires: 1993-01-16
Abstract
No abstract record available.
Inventors
- 👤 Earl S. Tupper
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-31 14:27
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/02; A47L9/08; A47L5/00; A47L5/12; A47L5/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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