US2876226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Werner complexes of metal cyanides
Assignee: Union Oil Company of California
•
Filing: 1956-11-19
•
Granted: 1959-03-03
•
Expires: 1976-11-19
Abstract
No abstract record available.
Inventors
- 👤 William D Schaeffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:20
CPC Classifications
C; C07; C07F; C07F15/00; C07F15/02; C07F15/025; C07F13/00; C07F13/005; C07F15/04; C07F15/045; C07F15/06; C07F15/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A WERNER COMPLEX HAVING THE FORMULA:
Claim 2
Dependent Claim
6 words
A WERNER COMPLEX HAVING THE FORMULA:
References Cited (Backward Citations)
GB714202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |