Patent US2596371A successfully refreshed from Google Patents.
US2596371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lead, cobalt and manganese salts of 2, 4, 4-trimethyl valeric acid
Assignee: British Industrial Solvents Ltd
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Filing: 1951-03-01
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Granted: 1952-05-13
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Expires: 1971-03-01
Abstract
No abstract record available.
Inventors
- 👤 Chadwick Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:16
CPC Classifications
C; C07; C07C; C07C53/00; C07C53/126; C07C53/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE LEAD, COBALT AND MANGANESE SALTS OF 2,4,4-TRIMETHYL VALERIC ACID.
Claim 2
Dependent Claim
18 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE LEAD, COBALT AND MANGANESE SALTS OF 2,4,4-TRIMETHYL VALERIC ACID.
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) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |