Patent US2471036A successfully refreshed from Google Patents.
US2471036A
Expired / Lapsed
US
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Running rope lubricator
Assignee: Carnegie Illinois Steel Corp
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Filing: 1945-02-21
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Granted: 1949-05-24
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Expires: 1965-02-21
Abstract
No abstract record available.
Inventors
- 👤 Wesley R Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:24
CPC Classifications
D; D07; D07B; D07B7/00; D07B7/02; D07B7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-23 | 1952-11-22 | 1953-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-23 | 1956-11-22 | 1957-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-23 | 1960-11-22 | 1961-05-24 | $7700.00 | Window Closed / Lapsed |