Patent US2319630A successfully refreshed from Google Patents.
US2319630A
Expired / Lapsed
US
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Deodorized sulphur-bearing composition
Assignee: Lubrizol Corp
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Filing: 1939-12-28
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Granted: 1943-05-18
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Expires: 1959-12-28
Abstract
No abstract record available.
Inventors
- 👤 Carl F Prutton
- 👤 Harry E Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:08
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/02; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10N; C10N2040/00; C10N2040/20; C10N2040/22
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) | 1946-05-17 | 1946-11-16 | 1947-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-05-17 | 1950-11-16 | 1951-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-05-17 | 1954-11-16 | 1955-05-18 | $7700.00 | Window Closed / Lapsed |