US3412540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asparagus harvester improvement
Assignee: Green Giant Co
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Filing: 1966-05-04
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Granted: 1968-11-26
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Expires: 1986-05-04
Abstract
No abstract record available.
Inventors
- 👤 Lewis E Lawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:40
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN AN APPARATUS FOR HARVESTING ASPARAGUS COMPRISING A WHELLED FRAME MOVABLE ALONG AN ASPARAGUS FIELD, SENSING MEANS TO CONTACT ASPARAGUS SPEARS OF AT LEAST A PRESELECTED HEIGHT, CUTTING MEANS FOR SELECTIVE RAISING AND LOWERING IN RESPONSE TO SIGNAL FROM SAID SENSING MEANS, MEANS FOR RAISING AND LOWERING SAID CUTTING MEANS, AND MEANS FOR HOLDING AND SUPPORTING SAID ASPARAGUS SPEARS BEFORE AND DURING CUTTING INCLUDING PAIRS OF ENDLESS BELTS WITH MATING VERTICAL EDGES, SAID EDGES CONSISTING OF A RESILIENT MATERIAL FOR HOLDING AND SUPPORTING SAID SPEARS, THE IMPROVEMENT IN COMBINATION THEREWITH COMPRISING MEANS FOR DISENGAGING THE MATING VERTICAL EDGES OF SAID BELTS AT PRESELECTED TIMES TO RELEASE SPARES OF UNCUT ASPARAGUS STALKS HELD THEREBETWEEN.
Claim 2
Dependent Claim
113 words
IN AN APPARATUS FOR HARVESTING ASPARAGUS COMPRISING A WHELLED FRAME MOVABLE ALONG AN ASPARAGUS FIELD, SENSING MEANS TO CONTACT ASPARAGUS SPEARS OF AT LEAST A PRESELECTED HEIGHT, CUTTING MEANS FOR SELECTIVE RAISING AND LOWERING IN RESPONSE TO SIGNAL FROM SAID SENSING MEANS, MEANS FOR RAISING AND LOWERING SAID CUTTING MEANS, AND MEANS FOR HOLDING AND SUPPORTING SAID ASPARAGUS SPEARS BEFORE AND DURING CUTTING INCLUDING PAIRS OF ENDLESS BELTS WITH MATING VERTICAL EDGES, SAID EDGES CONSISTING OF A RESILIENT MATERIAL FOR HOLDING AND SUPPORTING SAID SPEARS, THE IMPROVEMENT IN COMBINATION THEREWITH COMPRISING MEANS FOR DISENGAGING THE MATING VERTICAL EDGES OF SAID BELTS AT PRESELECTED TIMES TO RELEASE SPARES OF UNCUT ASPARAGUS STALKS HELD THEREBETWEEN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |