US2312750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulphurized addition agent for lubricants and lubricants containing the same
Assignee: Jasco Inc
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Filing: 1938-08-16
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Granted: 1943-03-02
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Expires: 1958-08-16
Abstract
No abstract record available.
Inventors
- 👤 Charles A Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:56
CPC Classifications
C; C10; C10M; C10M143/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/04; C10M2219/044; C10M2221/00; C10M2221/04; C10M2221/041; C10N; C10N2010/00; C10N2010/08
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) | 1946-03-01 | 1946-08-31 | 1947-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-03-01 | 1950-08-31 | 1951-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-03-01 | 1954-08-31 | 1955-03-02 | $7700.00 | Window Closed / Lapsed |