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US3250780A
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Bis-benzoxazolythyl sulfide
Assignee: Union Oil Company of California
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Filing: 1962-05-21
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Granted: 1966-05-10
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Expires: 1982-05-21
Abstract
No abstract record available.
Inventors
- 👤 Rai Charanjit
- 👤 John B Braunwarth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:23
CPC Classifications
C; C07; C07D; C07D263/00; C07D263/52; C07D263/62; C07D263/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA567665A
Cited
US2149335A
Cited
US2281583A
Cited
US2265416A
Cited
US2323503A
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US2985661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |