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Patent US2628181A successfully refreshed from Google Patents.
US2628181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treating plants with 4, 5-dichloro-3-pyridazones
Assignee: Monsanto Chemicals Ltd
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Filing: 1949-04-13
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Granted: 1953-02-10
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Expires: 1969-04-13
Abstract
No abstract record available.
Inventors
- 👤 David T Mowry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:53
CPC Classifications
C; C07; C07D; C07D237/00; C07D237/02; C07D237/06; C07D237/10; C07D237/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A METHOD OF TREATING PLANT TISSURE FOR INHIBITING THE GROWTH OF FUNGI AND BACTERIA WHICH COMPRISES CONTACTING THE SAID TISSUE WITH A COMPOUND OF THE STRUCTURAL FORMULA:
Claim 2
Independent Claim
27 words
A METHOD OF TREATING PLANT TISSURE FOR INHIBITING THE GROWTH OF FUNGI AND BACTERIA WHICH COMPRISES CONTACTING THE SAID TISSUE WITH A COMPOUND OF THE STRUCTURAL FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-10 | 1956-08-11 | 1957-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-10 | 1960-08-11 | 1961-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-10 | 1964-08-11 | 1965-02-10 | $7700.00 | Window Closed / Lapsed |