US2791601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Co-ordinated primary amine metal complexes
Assignee: Sherwin Williams Co
•
Filing: 1953-05-05
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Granted: 1957-05-07
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Expires: 1973-05-05
Abstract
No abstract record available.
Inventors
- 👤 Maynard B Unger
- 👤 Edward R Schwab
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:25
CPC Classifications
C; C07; C07F; C07F3/00; C07F3/003; C07C; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/22; C07C2603/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A METHOD OF MANUFACTURE OF A COR-ORDINATED ROSINAMINE COMPLEX OF THE GENERAL STRUCTURE;
Claim 2
Independent Claim
13 words
A METHOD OF MANUFACTURE OF A COR-ORDINATED ROSINAMINE COMPLEX OF THE GENERAL STRUCTURE;
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) | 1960-05-06 | 1960-11-05 | 1961-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-06 | 1964-11-05 | 1965-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-06 | 1968-11-05 | 1969-05-07 | $7700.00 | Window Closed / Lapsed |