US1617455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making lubricants
Assignee: Individual
•
Filing: 1924-08-30
•
Granted: 1927-02-15
•
Expires: 1944-08-30
Abstract
No abstract record available.
Inventors
- 👤 Harley A Montgomery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:56
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/02; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/043; C10M2201/06; C10M2201/062; C10M2201/10; C10M2201/102; C10M2205/00; C10M2205/18; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/20; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; 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) | 1930-02-14 | 1930-08-16 | 1931-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-02-14 | 1934-08-16 | 1935-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-02-14 | 1938-08-16 | 1939-02-15 | $7700.00 | Window Closed / Lapsed |