Patent US2957935A successfully refreshed from Google Patents.
US2957935A
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US
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Mercuric salts and methods of preparing same
Assignee: Monsanto Chemicals Ltd
•
Filing: 1956-04-13
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Granted: 1960-10-25
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Expires: 1976-04-13
Abstract
No abstract record available.
Inventors
- 👤 Bernard S Wildi
- 👤 Dunn Joseph Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:33
CPC Classifications
C; C07; C07F; C07F3/00; C07F3/10; C07F3/103; C07C; C07C407/00; C07C409/00; C07C409/24; C07C409/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
AS NEW COMPOUNDS, THE MERCURIC SALTS REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
10 words
AS NEW COMPOUNDS, THE MERCURIC SALTS REPRESENTED BY THE FORMULA:
References Cited (Backward Citations)
US2112129A
Cited
US2377038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |