US2638389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Side mount pillow block bearing
Assignee: RANDALL GRAPHITE PRODUCTS Corp
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Filing: 1947-04-05
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Granted: 1953-05-12
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Expires: 1967-04-05
Abstract
No abstract record available.
Inventors
- 👤 Robert L Whiteley
- 👤 Harry B Hostetler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:37
CPC Classifications
F; F16; F16C; F16C35/00; F16C35/02; F16C35/04; F16C35/042; F16C35/047
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) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |