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US3516902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spherules of 2-(n-morpholinothio) benzothiazole
Assignee: Rhone Poulenc SA
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Filing: 1967-07-13
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Granted: 1970-06-23
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Expires: 1987-07-13
Abstract
No abstract record available.
Inventors
- 👤 Claude Bonneau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:07
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/45; C08K5/46; C08K5/47; C08K5/0008; C08K5/0025; C08K9/00; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2998
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3231640A
Cited
US3231641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |