Patent US2608507A successfully refreshed from Google Patents.
US2608507A
Expired / Lapsed
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Dialkyl sulfamyl benzoic acids
Assignee: Sharp and Dohme Inc
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Filing: 1950-05-18
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Granted: 1952-08-26
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Expires: 1970-05-18
Abstract
No abstract record available.
Inventors
- 👤 Charles S Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:58
CPC Classifications
C; C07; C07C; C07C307/00; C07C307/02; C07C311/00; C07C311/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A SULFAMYLBENZOIC ACID WHICH IS A MEMBER OF THE GROUP CONSISTING OF COMPOUNDS HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
17 words
A SULFAMYLBENZOIC ACID WHICH IS A MEMBER OF THE GROUP CONSISTING OF COMPOUNDS HAVING THE GENERAL 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) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |