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US2617306A Expired / Lapsed US ⏱️ 0.0 years remaining

Rotation-transmitting device

Assignee: Lewis Engineering Co
•
Filing: 1949-09-15
•
Granted: 1952-11-11
•
Expires: 1969-09-15
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Abstract

No abstract record available.

Inventors

  • 👤 Knud J Knudsen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 01:00
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/50; F16J15/52; F16J15/525; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/742

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2417546A Cited
US2395843A Cited
US2548555A Cited
US2497867A Cited
US2454340A Cited
US2419074A Cited
US2513184A Cited
FR949949A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-11-11 1956-05-12 1956-11-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-11-11 1960-05-12 1960-11-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-11-11 1964-05-12 1964-11-11 $7700.00 Window Closed / Lapsed

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