Patent US3176456A successfully refreshed from Google Patents.
US3176456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asparagus harvester
Assignee: Individual
•
Filing: 1961-02-14
•
Granted: 1965-04-06
•
Expires: 1981-02-14
Abstract
No abstract record available.
Inventors
- 👤 Donald E Franzen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:25
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 |