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US2774250A Expired / Lapsed US ⏱️ 0.0 years remaining

Multi-speed transmission for machine tools

Assignee: Giddings and Lewis LLC
•
Filing: 1954-07-30
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Granted: 1956-12-18
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Expires: 1974-07-30
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Abstract

No abstract record available.

Inventors

  • 👤 Keith F Gallimore

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 02:20
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/02; Y; Y10; Y10S; Y10S82/00; Y10S82/905; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5105; Y10T408/00; Y10T408/65; Y10T408/675; Y10T408/6771; Y10T408/6774; Y10T74/00; Y10T74/14; Y10T74/1418; Y10T74/1424; Y10T74/1453; Y10T74/19; Y10T74/19219; Y10T74/19242; Y10T74/19247; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19433; Y10T82/00; Y10T82/25; Y10T82/2502; Y10T82/2504

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1266584A Cited
US1321165A Cited
US2071359A Cited
US2110994A Cited
US2177746A Cited
US2247920A Cited
US2235943A Cited
US2557324A Cited
US2572054A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-12-18 1960-06-18 1960-12-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-12-18 1964-06-18 1964-12-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-12-18 1968-06-18 1968-12-18 $7700.00 Window Closed / Lapsed

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