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US3002215A Expired / Lapsed US ⏱️ 0.0 years remaining

Canister vacuum cleaner

Assignee: Scott Fetzer Co
•
Filing: 1957-11-14
•
Granted: 1961-10-03
•
Expires: 1977-11-14
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Abstract

No abstract record available.

Inventors

  • 👤 Charles H Macfarland

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 19:56
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/362

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

GB337338A Cited
US2367437A Cited
US2544405A Cited
US2509580A Cited
US2603816A Cited
US2722996A Cited
US2780826A Cited
US2836458A Cited
US2833337A Cited
US2885714A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-10-02 1965-04-03 1965-10-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-10-02 1969-04-03 1969-10-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-10-02 1973-04-03 1973-10-03 $7700.00 Window Closed / Lapsed

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