US1584897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal-combustion-engine-cylinder lubrication
Assignee: SKINNER AUTOMOTIVE DEVICE COMP
•
Filing: 1925-09-21
•
Granted: 1926-05-18
•
Expires: 1945-09-21
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Skinner
- 👤 Percy C Walrath
- 👤 Edmond H Lambert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:29
CPC Classifications
F; F16; F16C; F16C9/00; F16C9/04; F02; F02B; F02B2275/00; F02B2275/22; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2152
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1929-05-17 | 1929-11-16 | 1930-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-05-17 | 1933-11-16 | 1934-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-05-17 | 1937-11-16 | 1938-05-18 | $7700.00 | Window Closed / Lapsed |