Patent US1857235A successfully refreshed from Google Patents.
US1857235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant
Assignee: Individual
•
Filing: 1929-12-23
•
Granted: 1932-05-10
•
Expires: 1949-12-23
Abstract
No abstract record available.
Inventors
- 👤 James A Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:58
CPC Classifications
C; C10; C10M; C10M141/00; C10M141/04; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/06; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/04; C10M2207/08; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/024; C10M2211/06; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50; C10N2050/00; C10N2050/10
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) | 1935-05-10 | 1935-11-09 | 1936-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-05-10 | 1939-11-09 | 1940-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-05-10 | 1943-11-09 | 1944-05-10 | $7700.00 | Window Closed / Lapsed |