US3340266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
(3-amino-2-hydroxypropoxy)-benzoheterocyclic derivatives
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1964-07-20
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Granted: 1967-09-05
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Expires: 1984-07-20
Abstract
No abstract record available.
Inventors
- 👤 Howe Ralph
- 👤 Mcloughlin Bernard Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:42
CPC Classifications
C; C07; C07D; C07D215/00; C07D215/02; C07D215/16; C07D215/20; C07D215/22; C07D215/227; C07D311/00; C07D311/02; C07D311/04; C07D311/22; C07D311/78; C07D311/80; C07D311/82; C07D319/00; C07D319/10; C07D319/14; C07D319/16; C07D319/18; C07D321/00; C07D321/02; C07D321/10; C07D321/12
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:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |