Patent US2947742A successfully refreshed from Google Patents.
US2947742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4-amino-6-trifluoromethyl-n, n'-di-2-pyridyl-m-benzenedisulfonamide
Assignee: Bristol Myers Co
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Filing: 1959-06-15
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Granted: 1960-08-02
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Expires: 1979-06-15
Abstract
No abstract record available.
Inventors
- 👤 Lee C Cheney
- 👤 Charles T Holdrege
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:24
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 4-AMINO-6-TRIFLUOROMETHYL-N,N''-DI-2-PYRIDYL-MBENZENEDISULFONAMIDE AND NONTOXIC METAL SALTS THEREOF.
Claim 2
Dependent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 4-AMINO-6-TRIFLUOROMETHYL-N,N''-DI-2-PYRIDYL-MBENZENEDISULFONAMIDE AND NONTOXIC METAL SALTS THEREOF.
References Cited (Backward Citations)
US2910475A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |