US3253034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amino-phenylethanols
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1962-12-03
•
Granted: 1966-05-24
•
Expires: 1982-12-03
Abstract
No abstract record available.
Inventors
- 👤 Mcloughlin Bernard Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:43
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/08; C07C; C07C45/00; C07C45/27; C07C45/28; C07C45/45; C07C45/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA:
Claim 2
Dependent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA:
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |