US2720727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control of plant diseases
Assignee: Wyeth Holdings LLC
•
Filing: 1952-05-15
•
Granted: 1955-10-18
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Expires: 1972-05-15
Abstract
No abstract record available.
Inventors
- 👤 Pidacks Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:01
CPC Classifications
A; A01; A01N; A01N63/00; A01N63/20; A01N63/28; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/847
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
THE METHOD OF TREATING RHIZOMES COMPRISING IMMERSING THE RHIZOMES IN AN AQUEOUS SOLUTION OF CHLORTETRACYCLINE.
Claim 2
Independent Claim
15 words
THE METHOD OF TREATING RHIZOMES COMPRISING IMMERSING THE RHIZOMES IN AN AQUEOUS SOLUTION OF CHLORTETRACYCLINE.
References Cited (Backward Citations)
US2482055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-17 | 1959-04-18 | 1959-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-17 | 1963-04-18 | 1963-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-17 | 1967-04-18 | 1967-10-18 | $7700.00 | Window Closed / Lapsed |