US3229353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a bearing ring
Assignee: SKF Industries Inc
•
Filing: 1964-10-06
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Granted: 1966-01-18
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Expires: 1984-10-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:33
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/58; F16C33/64; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49689; Y10T29/49789; Y10T29/49798
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A METHOD OF MAKING A RING FOR A ROLLING BEARING ASSEMBLY CONSISTING OF THE STEPS OF HOT ROLLING A PIECE OF STEEL TO FORM AN ELONGATED BAR, ANNEALING THE BAR, COLD DRAWING THE BAR THROUGH A SUITABLE DIE SO THAT THE BAR IS OF CROSS SECTIONAL SIZE AND SHAPE OF A FINISHED RING, CUTTING THE BAR INTO A PLURALITY OF SECTIONS, BENDING EACH SECTION TO A CIRCULAR SHAPE WITH THE ENDS THEREOF IN ABUTTING RELATION AND AJOINING THE ENDS TO FORM AN INTEGRAL RING.
Claim 2
Independent Claim
84 words
A METHOD OF MAKING A RING FOR A ROLLING BEARING ASSEMBLY CONSISTING OF THE STEPS OF HOT ROLLING A PIECE OF STEEL TO FORM AN ELONGATED BAR, ANNEALING THE BAR, COLD DRAWING THE BAR THROUGH A SUITABLE DIE SO THAT THE BAR IS OF CROSS SECTIONAL SIZE AND SHAPE OF A FINISHED RING, CUTTING THE BAR INTO A PLURALITY OF SECTIONS, BENDING EACH SECTION TO A CIRCULAR SHAPE WITH THE ENDS THEREOF IN ABUTTING RELATION AND AJOINING THE ENDS TO FORM AN INTEGRAL RING.
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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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |