Patent US2544385A successfully refreshed from Google Patents.
Patent US3387613A successfully refreshed from Google Patents.
US3387613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for cleaning plant leaves
Assignee: Research Corp
•
Filing: 1966-08-25
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Granted: 1968-06-11
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Expires: 1986-08-25
Abstract
No abstract record available.
Inventors
- 👤 Carl M Mchugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:24
CPC Classifications
A; A24; A24B; A24B3/00; A24B3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
PROCESS FOR THE REMOVAL OF DELETERIOUS PARTICLES FROM PLANT LEAVES WHICH COMPRISES POSITIONING SAID LEAVES IN A HORIZONTAL POSITION WITH THE STEMS EXTENDING IN THE SAME DIRECTION IN AN INITIAL STAGE AND SUBJECTING THE SAME TO AGITATION AND VACUUM CONDITIONS BETWEEN SUPERIMPOSED BELT TYPE CONVEYORS IN SAID INITIAL STAGE FOR DISLODGING AND REMOVING SAID PARTICLES FROM THE LEAVES, THEREAFTER SUBSTANTIALLY VERTICALLY POSITIONING THE LEAVES, STEM UP, IN A SECONDARY STAGE, SUBJECTING THE LEAVES TO AGITATION AND
Claim 2
Dependent Claim
76 words
PROCESS FOR THE REMOVAL OF DELETERIOUS PARTICLES FROM PLANT LEAVES WHICH COMPRISES POSITIONING SAID LEAVES IN A HORIZONTAL POSITION WITH THE STEMS EXTENDING IN THE SAME DIRECTION IN AN INITIAL STAGE AND SUBJECTING THE SAME TO AGITATION AND VACUUM CONDITIONS BETWEEN SUPERIMPOSED BELT TYPE CONVEYORS IN SAID INITIAL STAGE FOR DISLODGING AND REMOVING SAID PARTICLES FROM THE LEAVES, THEREAFTER SUBSTANTIALLY VERTICALLY POSITIONING THE LEAVES, STEM UP, IN A SECONDARY STAGE, SUBJECTING THE LEAVES TO AGITATION AND
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |