US1917089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inorganic lubricant and process of producing the same
Assignee: Individual
•
Filing: 1930-06-28
•
Granted: 1933-07-04
•
Expires: 1950-06-28
Abstract
No abstract record available.
Inventors
- 👤 Willis A Boughton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:15
CPC Classifications
C; C10; C10M; C10M103/00; C10M103/06; C10M125/00; C10M125/24; C10M125/26; C10M173/00; C10M173/02; C10M2201/00; C10M2201/02; C10M2201/06; C10M2201/0603; C10M2201/061; C10M2201/0613; C10M2201/062; C10M2201/0623; C10M2201/065; C10M2201/0653; C10M2201/066; C10M2201/0663; C10M2201/08; C10M2201/0803; C10M2201/085; C10M2201/0853; C10M2201/086; C10M2201/0863; C10M2201/087; C10M2201/0873; C10M2201/10; C10M2201/1006; C10M2201/102; C10M2201/1023; C10M2201/103; C10M2201/1033; C10M2201/105; C10M2201/1053; C10M2201/12; C10M2201/123; C10N; C10N2050/00; C10N2050/01
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) | 1936-07-03 | 1937-01-02 | 1937-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-07-03 | 1941-01-02 | 1941-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-07-03 | 1945-01-02 | 1945-07-04 | $7700.00 | Window Closed / Lapsed |