US2473434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preparing hydrocarbometallic halides
Assignee: EIDP Inc
•
Filing: 1946-06-27
•
Granted: 1949-06-14
•
Expires: 1966-06-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard V Lindsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:26
CPC Classifications
C; C07; C07F; C07F3/00; C07F3/06; C07F3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1987685A
Cited
US1874260A
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US2052889A
Cited
US2270292A
Cited
US2271956A
Cited
US2388428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |