US3306923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dialkyl-alkali aluminates and their preparation
Assignee: Pechiney SA
•
Filing: 1962-11-14
•
Granted: 1967-02-28
•
Expires: 1982-11-14
Abstract
No abstract record available.
Inventors
- 👤 Wetroff Georges
- 👤 Trebillon Emile
- 👤 Sassoulas Jean Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:51
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/061; C07F5/066; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/93; Y10S585/931
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
7 words
AN ORGANO-METALLIC COMPOUND HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
7 words
AN ORGANO-METALLIC COMPOUND HAVING THE GENERAL FORMULA
Claim 3
Dependent Claim
12 words
A PROCESS FOR THE PREPARATION OF THE COMPOUND HAVING THE GENERAL FORMULA
Claim 4
Dependent Claim
12 words
A PROCESS FOR THE PREPARATION OF THE COMPOUND 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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |