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US2455656A
Expired / Lapsed
US
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Production of commercially pure mercaptans and disulfides
Assignee: ExxonMobil Oil Corp
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Filing: 1945-06-19
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Granted: 1948-12-07
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Expires: 1965-06-19
Abstract
No abstract record available.
Inventors
- 👤 Stephen P Cauley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:59
CPC Classifications
C; C07; C07B; C07B45/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2009554A
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US2183968A
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US2152724A
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US2218610A
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US2228295A
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US2245317A
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US2236928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-07 | 1952-06-07 | 1952-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-07 | 1956-06-07 | 1956-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-07 | 1960-06-07 | 1960-12-07 | $7700.00 | Window Closed / Lapsed |