Patent US2861913A successfully refreshed from Google Patents.
US2861913A
Expired / Lapsed
US
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Derivatives of dithiocarbonic acid
Assignee: Bayer AG
•
Filing: 1954-03-02
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Granted: 1958-11-25
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Expires: 1974-03-02
Abstract
No abstract record available.
Inventors
- 👤 Wegler Richard
- 👤 Grewe Ferdinand
- 👤 Regel Erik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:46
CPC Classifications
C; C07; C07C; C07C329/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
FUNGICIDES HAVING THE FORMULA
Claim 2
Dependent Claim
4 words
FUNGICIDES HAVING THE FORMULA
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) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |