US2327705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant
Assignee: Standard Oil Development Co
•
Filing: 1940-07-06
•
Granted: 1943-08-24
•
Expires: 1960-07-06
Abstract
No abstract record available.
Inventors
- 👤 Per K Frolich
- 👤 Henry B Kellog
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:44
CPC Classifications
C; C10; C10M; C10M143/00; C10M143/02; C08; C08F; C08F10/00; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/146; C10M2205/00; C10M2205/04; C10M2205/06; C10M2205/10; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/086; C10M2211/00; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/04; C10M2213/06; C10M2213/062; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/946
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) | 1946-08-23 | 1947-02-22 | 1947-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-08-23 | 1951-02-22 | 1951-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-08-23 | 1955-02-22 | 1955-08-24 | $7700.00 | Window Closed / Lapsed |