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US2553940A Expired / Lapsed US ⏱️ 0.0 years remaining

Power steering apparatus

Assignee: Individual
•
Filing: 1946-03-07
•
Granted: 1951-05-22
•
Expires: 1966-03-07
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Abstract

No abstract record available.

Inventors

  • 👤 Orpheus F Quartullo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:58
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06; B62D5/10; B62D5/04; B62D5/0418; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87217; Y10T137/87233; Y10T137/877; Y10T137/87829; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20834

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1364872A Cited
US1377306A Cited
FR624978A Cited
DE563664C Cited
US2018197A Cited
US2146468A Cited
US2032146A Cited
US1974922A Cited
US2095922A Cited
US2230361A Cited
US2356492A Cited
US2322911A Cited
US2424288A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-05-21 1954-11-20 1955-05-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-05-21 1958-11-20 1959-05-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-05-21 1962-11-20 1963-05-22 $7700.00 Window Closed / Lapsed

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