Patent US3471507A successfully refreshed from Google Patents.
US3471507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New isothiazole synthesis
Assignee: Bristol Myers Co
•
Filing: 1966-07-25
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Granted: 1969-10-07
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Expires: 1986-07-25
Abstract
No abstract record available.
Inventors
- 👤 Ronnie R Crenshaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:28
CPC Classifications
C; C07; C07D; C07D275/00; C07D275/02; C07D275/03; C07C; C07C327/00; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088; C07D295/16; C07D295/18; C07D499/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3341518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |