Patent US2427233A successfully refreshed from Google Patents.
US2427233A
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US
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Greasing device for antifriction bearings
Assignee: Wagner Electric Corp
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Filing: 1944-03-09
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Granted: 1947-09-09
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Expires: 1964-03-09
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Shartle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:16
CPC Classifications
F; F16; F16N; F16N37/00; F16N37/003; F16C; F16C33/00; F16C33/30; F16C33/66; F16C33/6603; F16C33/6622; F16C19/00; F16C19/02; F16C19/04; F16C19/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1766208A
Cited
GB495468A
Cited
US2168746A
Cited
US2187608A
Cited
US2160214A
Cited
US2248940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-08 | 1951-03-10 | 1951-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-08 | 1955-03-10 | 1955-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-08 | 1959-03-10 | 1959-09-09 | $7700.00 | Window Closed / Lapsed |