US2595334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Benzothiazolesulfonamides and method of preparing the same
Assignee: Wyeth Holdings LLC
•
Filing: 1950-04-08
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Granted: 1952-05-06
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Expires: 1970-04-08
Abstract
No abstract record available.
Inventors
- 👤 James W Clapp
- 👤 Jr Richard O Roblin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:58
CPC Classifications
C; C07; C07D; C07D277/00; C07D277/60; C07D277/62; C07D277/68; C07D277/70; C07D277/76; C07D277/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
COMPOUNDS OF THE GROUP CONSISTING OF THOSE HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
11 words
COMPOUNDS OF THE GROUP CONSISTING OF THOSE HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
US2367058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |