US2774789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-arterenol and its acid-addition salts and preparation thereof
Assignee: STWB Inc
•
Filing: 1947-10-24
•
Granted: 1956-12-18
•
Expires: 1967-10-24
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Tullar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:07
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/347; C07C51/367; C07B; C07B57/00; C07C213/00; C07C213/10; C07B2200/00; C07B2200/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF 1-ARTERENOL AND ITS ACID-ADDITION SALTS, SAID SUBSTANCE BEING IN CRYSTALLINE AND SUBSTANTIALLY PURE FORM AND BEING SUBSTANTIALLY FREE FROM ITS OPTICAL ANTIPODE.
Claim 2
Dependent Claim
30 words
A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF 1-ARTERENOL AND ITS ACID-ADDITION SALTS, SAID SUBSTANCE BEING IN CRYSTALLINE AND SUBSTANTIALLY PURE FORM AND BEING SUBSTANTIALLY FREE FROM ITS OPTICAL ANTIPODE.
References Cited (Backward Citations)
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GB190903021A
Cited
AT64796B
Cited
US1044778A
Cited
US1934015A
Cited
GB396551A
Cited
GB396951A
Cited
US2047144A
Cited
DE639126C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |