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Patent US3381538A successfully refreshed from Google Patents.
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US3381538A Expired / Lapsed US ⏱️ 0.0 years remaining

Vibration apparatus

Assignee: Individual
•
Filing: 1965-05-14
•
Granted: 1968-05-07
•
Expires: 1985-05-14
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Abstract

No abstract record available.

Inventors

  • 👤 Kenneth R Runde

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 13:10
CPC Classifications
A; A61; A61H; A61H11/00; A61H11/02; A61H2201/00; A61H2201/01; A61H2201/0119; A61H2201/0138; A61H2201/0142; A61H2201/0149; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/151; Y10T74/18; Y10T74/18544; Y10T74/18552; Y10T74/21; Y10T74/211; Y10T74/2116; Y10T74/2173; Y10T74/2179

Claims Analysis

Total Claims: 0
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-05-07 1971-11-06 1972-05-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-05-07 1975-11-06 1976-05-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-05-07 1979-11-06 1980-05-07 $7700.00 Window Closed / Lapsed

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