Patent US2611670A successfully refreshed from Google Patents.
US2611670A
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Roller bearing cage with closed-in face slot
Assignee: SKF Industries Inc
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Filing: 1949-03-21
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Granted: 1952-09-23
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Expires: 1969-03-21
Abstract
No abstract record available.
Inventors
- 👤 Palmgren Per Gunnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:01
CPC Classifications
F; F16; F16C; F16C23/00; F16C23/06; F16C23/08; F16C23/082; F16C23/086; F16C33/00; F16C33/30; F16C33/46; F16C33/4611; F16C33/4617; F16C33/4664; F16C33/48; F16C33/49; F16C33/494; F16C33/495; F16C19/00; F16C19/22; F16C19/34; F16C19/38; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49696
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189405006A
Cited
US1464666A
Cited
US1668112A
Cited
US1915585A
Cited
US1901967A
Cited
GB410891A
Cited
US2010050A
Cited
US2454028A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |