Patent US2662079A successfully refreshed from Google Patents.
US2662079A
Expired / Lapsed
US
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Organometallic compounds
Assignee: Individual
•
Filing: 1951-06-13
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Granted: 1953-12-08
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Expires: 1971-06-13
Abstract
No abstract record available.
Inventors
- 👤 Ernst A H Friedheim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:51
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/90; C07F9/92; C07F9/66; C07F9/70; C07F9/74; Y; Y10; Y10S; Y10S424/00; Y10S424/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
14 words
AS A NEW THEREAPEUTICALLY ACTIVE PRODUCT, AN ORGANOMETALLIC COMPOUND CORRESPONDING TO THE GENERAL FORMULA
References Cited (Backward Citations)
US2226530A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |