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US2692162A Expired / Lapsed US ⏱️ 0.0 years remaining

Dual drive for top-lift mechanisms

Assignee: Hupp Corp
•
Filing: 1952-02-04
•
Granted: 1954-10-19
•
Expires: 1972-02-04
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Abstract

No abstract record available.

Inventors

  • 👤 Peter F Rossmann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 19:12
CPC Classifications
B; B60; B60J; B60J7/00; B60J7/08; B60J7/12; B60J7/1226; B60J7/1265; B60J7/1269

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE582035C Cited
US1996595A Cited
US2230140A Cited
US2376949A Cited
US2329802A Cited
US2580486A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-10-18 1958-04-19 1958-10-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-10-18 1962-04-19 1962-10-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-10-18 1966-04-19 1966-10-19 $7700.00 Window Closed / Lapsed

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