Patent US3983640A successfully refreshed from Google Patents.
Patent US1696100A successfully refreshed from Google Patents.
US1696100A
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Method for cleaning lubricant cases of engines
Assignee: OSBORNE PROCESS INC
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Filing: 1927-01-15
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Granted: 1928-12-18
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Expires: 1947-01-15
Abstract
No abstract record available.
Inventors
- 👤 William L Osborne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:44
CPC Classifications
F; F02; F02B; F02B77/00; F02B77/04; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0402; Y10T137/4238; Y10T137/4245; Y10T137/6851; Y10T137/7039; Y10T137/794; Y10T137/8085; Y10T137/8593; Y10T137/85954
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) | 1931-12-18 | 1932-06-18 | 1932-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-12-18 | 1936-06-18 | 1936-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-12-18 | 1940-06-18 | 1940-12-18 | $7700.00 | Window Closed / Lapsed |