Patent US3294828A successfully refreshed from Google Patents.
US3294828A
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Aromatic nitric oxide vanadium tetracarbonyls
Assignee: Ethyl Corp
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Filing: 1963-06-17
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Granted: 1966-12-27
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Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 Robert P M Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:22
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/301; C23; C23C; C23C16/00; C23C16/06; C23C16/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2818416A
Cited
US2827446A
Cited
US2971017A
Cited
US2960514A
Cited
US3013039A
Cited
US3108014A
Cited
US3152007A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |