US3141230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for manufacturing bearing races
Assignee: Eisenwerk Rothe Erde GmbH
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Filing: 1960-12-09
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Granted: 1964-07-21
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Expires: 1980-12-09
Abstract
No abstract record available.
Inventors
- 👤 Pohler Heinz
- 👤 Schmude Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:46
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/58; F16C33/60; F16C33/61; C; C22; C22F; C22F1/00; C22F1/04; C22F1/053; C22F1/057; F16C19/00; F16C19/02; F16C19/14; F16C19/16; F16C19/163; F16C19/166; F16C19/18; F16C19/181; F16C2300/00; F16C2300/10; F16C2300/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49689
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN A PROCESS FOR MANUFACTURING BEARING RACES, THE STEPS OF HEATING A HIGH STRENGTH LIGHT METAL ALLOY RING OF UNIFORM CROSS SECTION TO A TEMPERATURE HIGHER THAN THE SOLUBILITY TEMPERATURE OF THE ALLOY; THEN QUENCHING THE THUS HEATED RING; THEN UNIFORMLY INCREASING THE DIAMETER OF THE RING TO A DIAMETER WHERE THE RING REMAINS PERMANENTLY AT THE INCREASED DIAMETER; AND THEN MACHINING THE RING TO A DESIRED CROSS SECTIONAL CONFIGURATION.
Claim 2
Dependent Claim
70 words
IN A PROCESS FOR MANUFACTURING BEARING RACES, THE STEPS OF HEATING A HIGH STRENGTH LIGHT METAL ALLOY RING OF UNIFORM CROSS SECTION TO A TEMPERATURE HIGHER THAN THE SOLUBILITY TEMPERATURE OF THE ALLOY; THEN QUENCHING THE THUS HEATED RING; THEN UNIFORMLY INCREASING THE DIAMETER OF THE RING TO A DIAMETER WHERE THE RING REMAINS PERMANENTLY AT THE INCREASED DIAMETER; AND THEN MACHINING THE RING TO A DESIRED CROSS SECTIONAL CONFIGURATION.
References Cited (Backward Citations)
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US2900288A
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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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |