US3247261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organo-metallo compounds
Assignee: Dal Mon Research Co
•
Filing: 1958-12-24
•
Granted: 1966-04-19
•
Expires: 1978-12-24
Abstract
No abstract record available.
Inventors
- 👤 Alelio Gaetano F D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:17
CPC Classifications
C; C07; C07F; C07F5/00; C06; C06B; C06B43/00; C07F3/00; C07F3/02; C08; C08F; C08F30/00; C08F30/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
12 words
A NEW COMPOUND CONTAINING METAL AND ETHER GROUPS THEREIN, HAVING THE FORMULA:
Claim 2
Dependent Claim
12 words
A NEW COMPOUND CONTAINING METAL AND ETHER GROUPS THEREIN, HAVING THE FORMULA:
Claim 3
Dependent Claim
1 words
DI-(BETA-VINYLOXY-ETHYL)-BERYLLIUM.
Claim 4
Dependent Claim
1 words
DI-(BETA-VINYLOXY-ETHYL)-BERYLLIUM.
References Cited (Backward Citations)
US1938642A
Cited
US2699457A
Cited
US2573049A
Cited
US2744074A
Cited
US2826598A
Cited
US2788325A
Cited
US2835689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |