US3054815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclopentadienyl nickel triorganophosphine halides
Assignee: Ethyl Corp
•
Filing: 1960-11-25
•
Granted: 1962-09-18
•
Expires: 1980-11-25
Abstract
No abstract record available.
Inventors
- 👤 Gene E Schroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:44
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/305; C07; C07F; C07F15/00; C07F15/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
AS A NEW COMPOSITION OF MATTER, CYCLOPENTADIENYL NICKEL TRIORGANOPHOSPHINE HALIDES HAVING THE FORMULA
Claim 2
Dependent Claim
13 words
AS A NEW COMPOSITION OF MATTER, CYCLOPENTADIENYL NICKEL TRIORGANOPHOSPHINE HALIDES HAVING THE 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) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |