Patent US2947769A successfully refreshed from Google Patents.
US2947769A
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Bis (acycyclopentadienyl) iron enol esters
Assignee: Union Carbide Corp
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Filing: 1958-01-24
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Granted: 1960-08-02
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Expires: 1978-01-24
Abstract
No abstract record available.
Inventors
- 👤 Roy L Pruett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 04:20
CPC Classifications
C; C07; C07F; C07F17/00; C07F17/02; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/504; C08G59/68; C08G59/70; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/16; Y10S524/00; Y10S524/91; Y10S524/912
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
AS COMPOSITIONS OF MATTER THE ORGANOMETALLIC COMPOUNDS HAVING THE FORMULA
Claim 2
Dependent Claim
10 words
AS COMPOSITIONS OF MATTER THE ORGANOMETALLIC COMPOUNDS 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) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |