Patent US3422196A successfully refreshed from Google Patents.
US3422196A
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US
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Utilizing 1 - (3,5 - dihydroxyphenyl)-1-hydroxy - 2 - isopropylaminoethane and salts thereof in the treatment of bronchial spasms
Assignee: C.H. Boehringer Sohn AG and Co KG
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Filing: 1967-07-19
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Granted: 1969-01-14
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Expires: 1987-07-19
Abstract
No abstract record available.
Inventors
- 👤 Otto Thomae
- 👤 Karl Zeile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:58
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE865315C
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US2725399A
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US2765307A
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US2766286A
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US2937118A
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US2820739A
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US3048633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |