US3177232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal chelates of 1-amino-7-imino-1, 3, 5-cycloheptatrienes
Assignee: EIDP Inc
•
Filing: 1963-07-01
•
Granted: 1965-04-06
•
Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Earl L Muetterties
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:19
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/003; C07F7/02; C07F7/025; C07F7/30; C09; C09K; C09K5/00; C09K5/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A METAL CHELATE OF THE FORMULA
Claim 2
Dependent Claim
6 words
A METAL CHELATE OF THE FORMULA
References Cited (Backward Citations)
US3052705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |