Patent US2187608A successfully refreshed from Google Patents.
US2187608A
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Lubricating apparatus
Assignee: Stewart Warner Corp
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Filing: 1937-10-04
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Granted: 1940-01-16
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Expires: 1957-10-04
Abstract
No abstract record available.
Inventors
- 👤 Willis A Kropp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:44
CPC Classifications
F; F16; F16N; F16N37/00; F16N37/003; F16C; F16C33/00; F16C33/30; F16C33/66; F16C33/6603; F16C33/6622; F16C19/00; F16C19/22; F16C19/34; F16C19/36; F16C19/364; F16C43/00; F16C43/04
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) | 1943-01-15 | 1943-07-17 | 1944-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-01-15 | 1947-07-17 | 1948-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-01-15 | 1951-07-17 | 1952-01-16 | $7700.00 | Window Closed / Lapsed |