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Transmission mechanism

Assignee: Sullivan Machinery Co
•
Filing: 1941-06-10
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Granted: 1943-11-30
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Expires: 1961-06-10
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Abstract

No abstract record available.

Inventors

  • 👤 Leon E Simmons

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 06:02
CPC Classifications
E; E21; E21C; E21C29/00; E21C29/04; E21C29/06; E21C29/10; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19219; Y10T74/19377; Y10T74/19386; Y10T74/194

Claims Analysis

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References Cited (Backward Citations)

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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) 1946-11-29 1947-05-31 1947-11-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1950-11-29 1951-05-31 1951-11-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1954-11-29 1955-05-31 1955-11-30 $7700.00 Window Closed / Lapsed

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