Patent US2012446A successfully refreshed from Google Patents.
US2012446A
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Method of sulphurizing pine oil and product thereof
Assignee: ExxonMobil Oil Corp
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Filing: 1934-07-21
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Granted: 1935-08-27
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Expires: 1954-07-21
Abstract
No abstract record available.
Inventors
- 👤 Mckinley C Edwards
- 👤 Joseph V Congdon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:20
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/02; C10M135/04; C10M2203/00; C10M2203/10; C10M2205/00; C10M2205/18; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/40; C10M2207/402; C10M2207/404; C10M2219/00; C10M2219/02; C10M2219/024; C10N; C10N2040/00; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-08-26 | 1939-02-25 | 1939-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-08-26 | 1943-02-25 | 1943-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-08-26 | 1947-02-25 | 1947-08-27 | $7700.00 | Window Closed / Lapsed |