US3065250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitrile-metal carbonyl complexes
Assignee: Hercules Powder Co
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Filing: 1960-05-13
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Granted: 1962-11-20
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Expires: 1980-05-13
Abstract
No abstract record available.
Inventors
- 👤 Dewey R Levering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:03
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1805; B01J31/20; C; C07; C07F; C07F11/00; C08; C08F; C08F36/00; C08F36/02; C08F36/04; B01J2231/00; B01J2231/60; B01J2231/64; B01J2231/641; B01J2531/00; B01J2531/60; B01J2531/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A CRYSTALLINE COMPLEX OF A NITRILE AND A GROUP VI-B METAL CARBONYL, SAID COMPLEX HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
18 words
A CRYSTALLINE COMPLEX OF A NITRILE AND A GROUP VI-B METAL CARBONYL, SAID COMPLEX HAVING THE GENERAL FORMULA
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) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |