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US2947187A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for the rotation of drums

Assignee: Columbia Malting Co
•
Filing: 1957-03-15
•
Granted: 1960-08-02
•
Expires: 1977-03-15
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Abstract

No abstract record available.

Inventors

  • 👤 Alan R Graff
  • 👤 Gordon O Garis
  • 👤 Robert L Butts
  • 👤 Edwin C Juergens

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 11:34
CPC Classifications
F; F27; F27B; F27B7/00; F27B7/20; F27B7/26; B; B65; B65G; B65G23/00; B65G65/00; B65G65/23; C; C12; C12C; C12C1/00; C12C1/027; C12C1/033; C12C1/067; C12C1/12; F15; F15B; F15B15/00; F15B15/02; F15B15/06; F15B15/061; F16; F16H; F16H31/00; F16H31/003; F16H31/005; F26; F26B; F26B11/00; F26B11/02; F26B11/022; F27B2007/261; F27B2007/263; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1529; Y10T74/1531; Y10T74/1553; Y10T74/1555; Y10T74/1558; Y10T74/1584; Y10T74/21; Y10T74/2133; Y10T74/2136; Y10T74/2141

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US379656A Cited
US806349A Cited
US2377733A Cited
US2487733A Cited
GB703224A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-08-02 1964-02-01 1964-08-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-08-02 1968-02-01 1968-08-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-08-02 1972-02-01 1972-08-02 $7700.00 Window Closed / Lapsed

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