Patent US2591160A successfully refreshed from Google Patents.
US2591160A
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Roller bearing and manufacture thereof
Assignee: Rollway Bearing Co Inc
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Filing: 1947-12-01
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Granted: 1952-04-01
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Expires: 1967-12-01
Abstract
No abstract record available.
Inventors
- 👤 Rudolph R Kilian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:13
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/46; F16C33/54; F16C33/542; F16C33/543; B; B21; B21D; B21D53/00; B21D53/10; B21D53/12; F16C19/00; F16C19/22; F16C19/24; F16C19/26; F16C2240/00; F16C2240/40; F16C2240/60; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12361
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |