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US3197075A Expired / Lapsed US ⏱️ 0.0 years remaining

Variable volume auger assembly

Assignee: Individual
•
Filing: 1962-11-16
•
Granted: 1965-07-27
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Expires: 1982-11-16
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Abstract

No abstract record available.

Inventors

  • 👤 Elmer K Hansen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 13:24
CPC Classifications
B; B65; B65G; B65G33/00; B65G33/24; B65G33/32

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 80 words
AN AUGER ASSEMBLY COMPRISING: (A) A FIRST ELONGATED MEANS HAVING A SPIRAL FLANGE MEANS, (B) ELONGATED SPIRAL MEANS MOVABLY MOUNTED FOR AXIAL MOVEMENT CONCENTRIC WITH SAID FIRST ELONGATED MEANS TO VARY THE VOLUMETRIC CAPACITY OF THE AUGER ASSEMBLY ON SAID FIRST MEANS, (C) MEANS DRIVABLY CONNECTING SAID FIRST MEANS WITH SAID SPIRAL MEANS WHEREBY SAID FIRST AND SPIRAL MEANS ROTATE AS A UNIT, AND (D) MEANS SECURED TO SAID SPIRAL MEANS FOR VARYING THE VOLUMETRIC CAPACITY OF THE AUGER ASSEMBLY.

References Cited (Backward Citations)

US599392A Cited
US1214753A Cited
US1128043A Cited
US2569039A Cited
US2509543A Cited
US2576177A Cited
US2693873A Cited
US2991870A Cited
US2947524A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-07-26 1969-01-25 1969-07-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-07-26 1973-01-25 1973-07-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-07-26 1977-01-25 1977-07-27 $7700.00 Window Closed / Lapsed

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