US2720451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control of suckers in tobacco plants
Assignee: Patent and Dev Inc
•
Filing: 1952-10-31
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Granted: 1955-10-11
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Expires: 1972-10-31
Abstract
No abstract record available.
Inventors
- 👤 Donald B Anderson
- 👤 Robert W Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:11
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/02; A01N61/00; A01N61/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A METHOD OF PREVENTING THE GROWTH OF SUCKERS IN A TOBACCO PLANT COMPRISING APPLYING AT ABOUT THE TIME OF TOPPING AND BEFORE ANY SUBSTANTIAL SUCKER GROWTH OCCURS, A SUCKER-CONTROLLING OILY LIQUID COMPOSITION TO THE TOP PORTION OF THE STALK OF THE SAID TOBACCO PLANT, SAID COMPOSITION BEING APPLIED IN AN AMOUNT SUFFICIENT TO SUBSTANTIALLY COMPLETELY COAT THE SUCKER-PRODUCING AREAS OF THE STALK, PERMITTING THE SAID COMPOSITION TO RUN DOWN THE SAID STALK AND COAT THE LEAF AXILS WHEREIN THE SUCKER BUDS ARE FORMED, THEREBY ARRESTING THE GROWTH OF THE SAID SUCKER BUDS.
Claim 2
Independent Claim
92 words
A METHOD OF PREVENTING THE GROWTH OF SUCKERS IN A TOBACCO PLANT COMPRISING APPLYING AT ABOUT THE TIME OF TOPPING AND BEFORE ANY SUBSTANTIAL SUCKER GROWTH OCCURS, A SUCKER-CONTROLLING OILY LIQUID COMPOSITION TO THE TOP PORTION OF THE STALK OF THE SAID TOBACCO PLANT, SAID COMPOSITION BEING APPLIED IN AN AMOUNT SUFFICIENT TO SUBSTANTIALLY COMPLETELY COAT THE SUCKER-PRODUCING AREAS OF THE STALK, PERMITTING THE SAID COMPOSITION TO RUN DOWN THE SAID STALK AND COAT THE LEAF AXILS WHEREIN THE SUCKER BUDS ARE FORMED, THEREBY ARRESTING THE GROWTH OF THE SAID SUCKER BUDS.
References Cited (Backward Citations)
US534095A
Cited
US2098135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-10 | 1959-04-11 | 1959-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-10 | 1963-04-11 | 1963-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-10 | 1967-04-11 | 1967-10-11 | $7700.00 | Window Closed / Lapsed |