US3405136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-phenylsulfonyl-2-benzimidazo-linones and 1-phenylsulfonyl-2-benzimidazolinethiones
Assignee: Pharmacia and Upjohn Co
•
Filing: 1964-09-15
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Granted: 1968-10-08
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Expires: 1984-09-15
Abstract
No abstract record available.
Inventors
- 👤 John B Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:34
CPC Classifications
C; C07; C07D; C07D235/00; C07D235/02; C07D235/04; C07D235/24; C07D235/28; C07D235/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2927116A
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US3235559A
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US1933962A
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US2701249A
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US2642396A
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US2933503A
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US3056777A
Cited
US3207604A
Cited
US3246035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |