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Patent US3302987A successfully refreshed from Google Patents.
US3302987A
Expired / Lapsed
US
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Multi-row cylindrical roller bearings
Assignee: IHO Holding GmbH and Co KG
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Filing: 1964-05-22
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Granted: 1967-02-07
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Expires: 1984-05-22
Abstract
No abstract record available.
Inventors
- 👤 Hoffmann Walter
- 👤 Jacob Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:11
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/58; F16C33/60; F16C33/605; F16C19/00; F16C19/22; F16C19/24; F16C19/28; F16C2226/00; F16C2226/50; F16C2226/70; F16C2226/74; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49682; Y10T29/49684; Y10T29/49789; Y10T29/4979
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
MULTI-ROW CYLINDRICAL ROLLER BEARING COMPRISING AN INNER RACE RING, AN OUTER RACE RING, THREE ROWS OF ROLLERS MOUNTED BETWEEN THE RACE RINGS, THE ONE RACE RING HAVING RIMS AT THE OUTER EDGES OF THE RING TO CONTACT THE FIRST AND THIRD ROWS OF ROLLERS AND THE OTHER RACE RING HAVING A PAIR OF SPACING RINGS FASTENED THEREON WITH ONE SPACING RING BETWEEN THE FIRST AND SECOND ROWS OF ROLLERS AND THE OTHER SPACING RING BETWEEN THE SECOND AND THIRD ROWS OF ROLLERS, THE SAID ONE RACE RING BEING PRIZED APART AT A PARTING SEAM EXTENDING PERPENDICULARLY TO THE AXIS OF THE BEARING INTO TWO CIRCUMFERENTIAL PARTS IN CONTACT WITH
Claim 2
Dependent Claim
109 words
MULTI-ROW CYLINDRICAL ROLLER BEARING COMPRISING AN INNER RACE RING, AN OUTER RACE RING, THREE ROWS OF ROLLERS MOUNTED BETWEEN THE RACE RINGS, THE ONE RACE RING HAVING RIMS AT THE OUTER EDGES OF THE RING TO CONTACT THE FIRST AND THIRD ROWS OF ROLLERS AND THE OTHER RACE RING HAVING A PAIR OF SPACING RINGS FASTENED THEREON WITH ONE SPACING RING BETWEEN THE FIRST AND SECOND ROWS OF ROLLERS AND THE OTHER SPACING RING BETWEEN THE SECOND AND THIRD ROWS OF ROLLERS, THE SAID ONE RACE RING BEING PRIZED APART AT A PARTING SEAM EXTENDING PERPENDICULARLY TO THE AXIS OF THE BEARING INTO TWO CIRCUMFERENTIAL PARTS IN CONTACT WITH
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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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |