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US2856859A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: VISIONEERING Co Inc
•
Filing: 1955-01-07
•
Granted: 1958-10-21
•
Expires: 1975-01-07
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Abstract

No abstract record available.

Inventors

  • 👤 Baade Henry
  • 👤 Orpheus F Quartullo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 10:23
CPC Classifications
F; F04; F04C; F04C11/00; F04C11/001; F04C5/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1989900A Cited
US2107152A Cited
US2414187A Cited
US2460952A Cited
US2465887A Cited
US2655108A Cited
US2664050A Cited
US2648287A Cited
US2663263A Cited
US2665636A Cited
US2712792A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-10-20 1962-04-21 1962-10-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-10-20 1966-04-21 1966-10-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-10-20 1970-04-21 1970-10-21 $7700.00 Window Closed / Lapsed

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