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US3348619A Expired / Lapsed US ⏱️ 0.0 years remaining

Rotary tiller

Assignee: CONWAY TECHNOLOGIES Corp A CORP OF TX
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Filing: 1964-08-31
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Granted: 1967-10-24
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Expires: 1984-08-31
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Abstract

No abstract record available.

Inventors

  • 👤 Aaron G Reynolds
  • 👤 Eugene R Reynolds

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 13:43
CPC Classifications
A; A01; A01B; A01B33/00; A01B33/02; A01B33/021

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 166 words
IN A ROTARY TILLER, INCLUDING A FRAME MOVABLE FORWARDLY OVER THE GROUND SURFACE, A SHAFT EXTENDING LATERALLY ACROSS THE FRAME AND HAVING GROUNDWORKING ELEMENTS SPACED THEREALONG, AND MEANS FOR ROTATING THE SHAFT TO MOVE SAID GROUNDWORKING ELEMENTS REARWARDLY AS THEY PASS INTO AND THROUGH THE SOIL BENEATH THE GROUND SURFACE; THE IMPROVEMENT WHICH COMPRISES A FIXED BLADE EXTENDING ACROSS THE FRAME PARALLEL TO THE SHAFT AND TILTING DOWNWARDLY AND FORWARDLY WITH RESPECT TO THE FRAME FROM ITS UPPER TO ITS LOWER EDGE, SAID LOWER EDGE BEING AT A LEVEL BELOW THE LOWERMOST PATH OF SAID GROUNDWORKING ELEMENTS SO AS TO SEVER AND DELIVER A LAYER OF SAID SOIL TO SAID GROUNDWORKING ELEMENTS AS THE FRAME MOVES FORWARDLY, SAID UPPER EDGE BEING SUBSTANTIALLY ADJACENT TO THE PATH OF THE GROUNDWORKING ELEMENTS AT A POINT INTERMEDIATE THEIR FORWARDMOST AND LOWERMOST PATHS, AND SAID GROUNDWORKING ELEMENTS COMPRISING BLADES EACH OF WHICH HAS A CUTTING EDGE WHICH EXTENDS SUBSTANTIALLY PARALLEL TO THE UPPER EDGE OF THE FIXED BLADE FOR SHEARING
Claim 2
Dependent Claim 166 words
IN A ROTARY TILLER, INCLUDING A FRAME MOVABLE FORWARDLY OVER THE GROUND SURFACE, A SHAFT EXTENDING LATERALLY ACROSS THE FRAME AND HAVING GROUNDWORKING ELEMENTS SPACED THEREALONG, AND MEANS FOR ROTATING THE SHAFT TO MOVE SAID GROUNDWORKING ELEMENTS REARWARDLY AS THEY PASS INTO AND THROUGH THE SOIL BENEATH THE GROUND SURFACE; THE IMPROVEMENT WHICH COMPRISES A FIXED BLADE EXTENDING ACROSS THE FRAME PARALLEL TO THE SHAFT AND TILTING DOWNWARDLY AND FORWARDLY WITH RESPECT TO THE FRAME FROM ITS UPPER TO ITS LOWER EDGE, SAID LOWER EDGE BEING AT A LEVEL BELOW THE LOWERMOST PATH OF SAID GROUNDWORKING ELEMENTS SO AS TO SEVER AND DELIVER A LAYER OF SAID SOIL TO SAID GROUNDWORKING ELEMENTS AS THE FRAME MOVES FORWARDLY, SAID UPPER EDGE BEING SUBSTANTIALLY ADJACENT TO THE PATH OF THE GROUNDWORKING ELEMENTS AT A POINT INTERMEDIATE THEIR FORWARDMOST AND LOWERMOST PATHS, AND SAID GROUNDWORKING ELEMENTS COMPRISING BLADES EACH OF WHICH HAS A CUTTING EDGE WHICH EXTENDS SUBSTANTIALLY PARALLEL TO THE UPPER EDGE OF THE FIXED BLADE FOR SHEARING

References Cited (Backward Citations)

US2675748A Cited
US2150304A Cited
US2893499A Cited
GB827999A Cited
US2968354A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-10-23 1971-04-24 1971-10-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-10-23 1975-04-24 1975-10-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-10-23 1979-04-24 1979-10-24 $7700.00 Window Closed / Lapsed

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