Patent US2664326A successfully refreshed from Google Patents.
US2664326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plated bearing and the manufacture thereof
Assignee: Ekstrand and Tholand Inc
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Filing: 1947-02-11
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Granted: 1953-12-29
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Expires: 1967-02-11
Abstract
No abstract record available.
Inventors
- 👤 Jerome F Kuzmick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:55
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/14; B; B22; B22F; B22F3/00; B22F3/24; C; C25; C25D; C25D5/00; C25D5/48; C25D5/50; C25D7/00; C25D7/10; F16C2220/00; F16C2220/20; F16C2223/00; F16C2223/02; F16C2223/04; F16C2223/30; F16C2223/70; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/902; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12042; Y10T428/12063
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
114 words
THE METHOD OF MAKING A POROUS PLATED BEARING COMPRISING FORMING A BEARING BODY OF POWDERED FERROUS METAL BY MOLDING THE POWDER INTO THE SHAPE OF A BEARING UNDER SUFFICIENT PRESSURE TO PRODUCE A GREEN COMPACT MASS CAPABLE OF RETAINING ITS FORM AND WHICH INCLUDES INTERCONNECTED PORES, ELECTROPLATING THE BEARING SURFACE OF SAID BODY WITH A BEARING METAL FORMING A POROUS METALLIC COATING, SUBJECTING THE ELECTROPLATED BEARING BODY TO A HEAT TREATMENT OF SUFFICEINT INTENSITY AND SUFFICIENT DURATION TO REMOVE ANY SALTS RETAINED IN THE BODY, AND HEATING THE BEARING BODY SUFFICENTLY TO SINTER THE POWDERED BEARING BODY MASS TO PROVIDE MECHANICAL STRENGTH FOR RETAINING THE BEARING IN OPERATING CONDITION WHILE RETAINING THE POROUS STRUCTURE.
Claim 2
Independent Claim
114 words
THE METHOD OF MAKING A POROUS PLATED BEARING COMPRISING FORMING A BEARING BODY OF POWDERED FERROUS METAL BY MOLDING THE POWDER INTO THE SHAPE OF A BEARING UNDER SUFFICIENT PRESSURE TO PRODUCE A GREEN COMPACT MASS CAPABLE OF RETAINING ITS FORM AND WHICH INCLUDES INTERCONNECTED PORES, ELECTROPLATING THE BEARING SURFACE OF SAID BODY WITH A BEARING METAL FORMING A POROUS METALLIC COATING, SUBJECTING THE ELECTROPLATED BEARING BODY TO A HEAT TREATMENT OF SUFFICEINT INTENSITY AND SUFFICIENT DURATION TO REMOVE ANY SALTS RETAINED IN THE BODY, AND HEATING THE BEARING BODY SUFFICENTLY TO SINTER THE POWDERED BEARING BODY MASS TO PROVIDE MECHANICAL STRENGTH FOR RETAINING THE BEARING IN OPERATING CONDITION WHILE RETAINING THE POROUS STRUCTURE.
Claim 3
Dependent Claim
34 words
A BEARING MADE ACCORDING TO THE PROCESS OF CLAIM 1 WHEREIN THE PLATED BEARING COMPRISES A BODY OF POROUS FERROUS METAL WITH AN ELECTROPLATED BEARING SURFACE WHEREIN THE PLATED BEARING IS FREE OF SALTS.
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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) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |