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Patent US3203992A successfully refreshed from Google Patents.
US3203992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Derivatives of 1-(o-bromophenoxy)-2-hydroxy-3-aminopropane
Assignee: Sanol Schwarz GmbH
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Filing: 1963-01-25
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Granted: 1965-08-31
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Expires: 1983-01-25
Abstract
No abstract record available.
Inventors
- 👤 Kunz Wilhelm
- 👤 Jacobi Haireddin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:09
CPC Classifications
C; C07; C07D; C07D217/00; C07D217/02; C07D217/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
US3033640A
Cited
US2967201A
Cited
US3089826A
Cited
US3105854A
Cited
AT213872B
Cited
US3083139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |