US3046288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclopentadienyl-metal halides and method of making
Assignee: Wyeth Holdings LLC
•
Filing: 1957-10-29
•
Granted: 1962-07-24
•
Expires: 1977-10-29
Abstract
No abstract record available.
Inventors
- 👤 Carol L Sloan
- 👤 William A Barber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:41
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
THE METHOD OF PREPARING A COMPOUND REPRESENTED BY THE GENERAL FORMULA
Claim 2
Independent Claim
11 words
THE METHOD OF PREPARING A COMPOUND REPRESENTED BY THE GENERAL FORMULA
References Cited (Backward Citations)
US2818416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |