Patent US2287357A successfully refreshed from Google Patents.
US2287357A
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US
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Lubrication of conveyer rollers
Assignee: Mining Engineering Co Ltd MECO
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Filing: 1940-03-15
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Granted: 1942-06-23
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Expires: 1960-03-15
Abstract
No abstract record available.
Inventors
- 👤 Nyborg Tage Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:36
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/66; F16C33/6637; F16C33/664; B; B65; B65G; B65G39/00; B65G39/02; B65G39/09
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) | 1945-06-22 | 1945-12-22 | 1946-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-06-22 | 1949-12-22 | 1950-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-06-22 | 1953-12-22 | 1954-06-23 | $7700.00 | Window Closed / Lapsed |