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US2553045A Expired / Lapsed US ⏱️ 0.0 years remaining

Pump and motor hydraulic system

Assignee: Rotary Lift Corp
•
Filing: 1942-10-24
•
Granted: 1951-05-15
•
Expires: 1962-10-24
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Abstract

No abstract record available.

Inventors

  • 👤 Lawrence F Jaseph

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 13:18
CPC Classifications
B; B66; B66B; B66B1/00; B66B1/24; B66B1/34; B66B1/36; B66B1/40; B66B1/405; F; F15; F15B; F15B11/00; F15B11/02; F15B11/04; F15B11/046; F15B11/048; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/20507; F15B2211/20515; F15B2211/2053; F15B2211/20538; F15B2211/30; F15B2211/305; F15B2211/30525; F15B2211/32; F15B2211/321; F15B2211/325; F15B2211/327; F15B2211/35; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7052; F15B2211/75; F15B2211/755; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7759; Y10T137/8593; Y10T137/86493

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) 1954-05-14 1954-11-13 1955-05-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-05-14 1958-11-13 1959-05-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-05-14 1962-11-13 1963-05-15 $7700.00 Window Closed / Lapsed

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