US2548852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkoxyalkyl esters of iodo-alkoxy substituted phenyl acetic acids
Assignee: STWB Inc
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Filing: 1949-01-29
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Granted: 1951-04-17
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Expires: 1969-01-29
Abstract
No abstract record available.
Inventors
- 👤 Archer Sydney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:20
CPC Classifications
A; A61; A61K; A61K49/00; A61K49/04; A61K49/0433
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
5 words
A COMPOUND 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) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |