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US3176456A Expired / Lapsed US ⏱️ 0.0 years remaining

Asparagus harvester

Assignee: Individual
•
Filing: 1961-02-14
•
Granted: 1965-04-06
•
Expires: 1981-02-14
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Abstract

No abstract record available.

Inventors

  • 👤 Donald E Franzen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 08:57
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/007

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 171 words
AN ASPARAGUS HARVESTER, COMPRISING A WHEELED FRAME MOVABLE ALONG AN ASPARAGUS FIELD, SENSING MEANS ON SAID FRAME ARRANGED TO BE ACTUATED BY TIPS OF GROWING ASPARAGUS SPEARS OF PREDETERMINED HEIGHT, MEANS MOVABLY MOUNTED ON SAID FRAME PROVIDING A CUTTING EDGE EXTENDING TRANSVERSELY OF THE LINE OF TRAVEL OF THE HARVESTER IN POSITION TO SEVER AT ITS BASE THE SPEAR ACTUATING SAID SENSING MEANS, MEANS ACTUATED BY SAID SENSING MEANS AND MOVING SAID MEANS PROVIDING SAID CUTTING EDGE ALONG SAID LINE OF TRAVEL OF THE HARVESTER TO ENGAGE AND SEVER THE BASE ONLY OF THE SPEAR SENSED THEREBY TO CAUSE IT TO FALL BY GRAVITY TOWARD THE GROUND, MEANS ON SAID FRAME ARRANGED TO CATCH, SUBSEQUENT TO SAID SEVERING, THE SPEAR SEVERED BY SAID MEANS PROVIDING SAID CUTTING EDGE BEFORE FALLING FLAT ON THE GROUND, MEANS MOVING SAID SPEAR CATCHING MEANS AT A SPEED MUCH SLOWER THAN SAID MEANS PROVIDING SAID CUTTING EDGE TO A RECEIVING STATION, AND MEANS ACTUATING SAID SPEAR CATCHING MEANS TO RELEASE SAID SPEAR AT SAID RECEIVING STATION.
Claim 2
Dependent Claim 171 words
AN ASPARAGUS HARVESTER, COMPRISING A WHEELED FRAME MOVABLE ALONG AN ASPARAGUS FIELD, SENSING MEANS ON SAID FRAME ARRANGED TO BE ACTUATED BY TIPS OF GROWING ASPARAGUS SPEARS OF PREDETERMINED HEIGHT, MEANS MOVABLY MOUNTED ON SAID FRAME PROVIDING A CUTTING EDGE EXTENDING TRANSVERSELY OF THE LINE OF TRAVEL OF THE HARVESTER IN POSITION TO SEVER AT ITS BASE THE SPEAR ACTUATING SAID SENSING MEANS, MEANS ACTUATED BY SAID SENSING MEANS AND MOVING SAID MEANS PROVIDING SAID CUTTING EDGE ALONG SAID LINE OF TRAVEL OF THE HARVESTER TO ENGAGE AND SEVER THE BASE ONLY OF THE SPEAR SENSED THEREBY TO CAUSE IT TO FALL BY GRAVITY TOWARD THE GROUND, MEANS ON SAID FRAME ARRANGED TO CATCH, SUBSEQUENT TO SAID SEVERING, THE SPEAR SEVERED BY SAID MEANS PROVIDING SAID CUTTING EDGE BEFORE FALLING FLAT ON THE GROUND, MEANS MOVING SAID SPEAR CATCHING MEANS AT A SPEED MUCH SLOWER THAN SAID MEANS PROVIDING SAID CUTTING EDGE TO A RECEIVING STATION, AND MEANS ACTUATING SAID SPEAR CATCHING MEANS TO RELEASE SAID SPEAR AT SAID RECEIVING STATION.

References Cited (Backward Citations)

US2690043A Cited
US1938264A Cited
US2581119A Cited
US2780904A Cited
US2791878A Cited
US2763114A Cited
US2767544A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-04-05 1968-10-05 1969-04-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-04-05 1972-10-05 1973-04-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-04-05 1976-10-05 1977-04-06 $7700.00 Window Closed / Lapsed

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