Patent US3294829A successfully refreshed from Google Patents.
US3294829A
Expired / Lapsed
US
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Zinc salts of alkylene-bis-dithiocarbamic acids
Assignee: Bayer AG
•
Filing: 1963-05-01
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Granted: 1966-12-27
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Expires: 1983-05-01
Abstract
No abstract record available.
Inventors
- 👤 Lehmann Hellmuth
- 👤 Grewe Ferdinand
- 👤 Lautenschlager Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:04
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/12; A01N47/14; C; C07; C07C; C07C333/00; C07C333/14; C07C333/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
ZINC ALKYLENE-BIS-DITHIOCARBAMATES OF THE FORMULA
Claim 2
Dependent Claim
5 words
ZINC ALKYLENE-BIS-DITHIOCARBAMATES OF THE FORMULA
References Cited (Backward Citations)
US3178336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |