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US2676573A Expired / Lapsed US ⏱️ 0.0 years remaining

Anticollapsing hydraulic lifting cylinder system for tier-lift trucks

Assignee: Elwell Parker Electric Co
•
Filing: 1950-09-07
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Granted: 1954-04-27
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Expires: 1970-09-07
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Abstract

No abstract record available.

Inventors

  • 👤 Edward J Abbe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 19:38
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/20; B66F9/22; F; F15; F15B; F15B15/00; F15B15/08; F15B15/14; F15B15/16; F15B15/20; F15B15/204; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7869

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US635848A Cited
US824425A Cited
US820701A Cited
US1840311A Cited
DE598406C Cited
US2418325A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-04-26 1957-10-26 1958-04-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-04-26 1961-10-26 1962-04-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-04-26 1965-10-26 1966-04-27 $7700.00 Window Closed / Lapsed

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