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USRE28127E Expired / Lapsed US ⏱️ 0.0 years remaining

Soil sampler device

Assignee: —
•
Filing: 1973-07-20
•
Granted: 1974-08-20
•
Expires: 1993-07-20
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Abstract

Abstract A DEVICE HAVING AN AUGER SHAFT CONNECTED TO A FRAME. A MOTOR PLATFORM IS MOUNTED ON THE THREADED SHAFT AND MOVES THEREWITH WHILE SUPPORTING A FINGER-SHAPED SOILSAMPLING RECEPTACLE EMBRACING THE AUGER PORTION OF THHE AUGER SHAFT. THE SOIL-SAMPLING RECEPTACLE IS MAINTAINED IN YIELDABLE ENGAGEMENT AGAINST THE GROUND AROUND THE AUGER SHAFT AND RECEIVES THE SOIL SAMPLE WHICH MOVES THROUGH A SLEEVE EXTENDING THROUGH THE SPACE BETWEEN THE FINGER-SHAPED RECEPTACLE WHEREUPON THE SOIL SAMPLE EMPTIES DOWNWARDLY INTO THE RECEPTACLE. LIMIT SWITCHES ARE PROVIDED TO STOP THE OPERATION OF THE UNIT AT PREDETERMINED POINTS IN ITS UPWARD AND DOWNWARD TRAVE. THE SOIL-SAMPLING UNIT IS ADJUSTABLY MOUNTED ON THE SIDE OF A PICKUP TRUCK AND IS POWERED BY THE TRUCK BATTERY.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 10:03
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/02; E21B7/027; E21B7/028; E21B7/003; E21B7/005

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-08-19 1978-02-18 1978-08-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-08-19 1982-02-18 1982-08-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-08-19 1986-02-18 1986-08-20 $7700.00 Window Closed / Lapsed

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