US2173117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant
Assignee: Atlantic Richfield Co
•
Filing: 1937-04-28
•
Granted: 1939-09-19
•
Expires: 1957-04-28
Abstract
No abstract record available.
Inventors
- 👤 Jr James W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:30
CPC Classifications
C; C10; C10M; C10M129/00; C10M129/02; C10M129/68; C10M129/76; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2211/00; C10M2211/02; C10M2211/04; C10M2211/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/047
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) | 1942-09-18 | 1943-03-20 | 1943-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-09-18 | 1947-03-20 | 1947-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-09-18 | 1951-03-20 | 1951-09-19 | $7700.00 | Window Closed / Lapsed |