US3109224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making bearing pins
Assignee: Mueller Brass Co
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Filing: 1960-10-11
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Granted: 1963-11-05
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Expires: 1980-10-11
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Fearnside
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:02
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/14; B; B22; B22F; B22F7/00; B22F7/06; B22F7/08; F16C2220/00; F16C2220/20; F16C2220/80; F16C2220/82; F16C2223/00; F16C2223/02; F16C2223/04; F16C2223/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
THE METHOD OF MAKING A BEARING PIN COMPRISING THE STEPS OF APPLYING A RELATIVELY UNIFORM LAYER OF A FINELY PARTICULATED METALLIC BEARING POWDER CONSISTING OF COPPER AND A LUBRICITY METAL TO THE SURFACE OF A SUBSTANTIALLY CYLINDRICAL HIGH STRENGTH METAL CORE, SINTERING SAID CORE AND SAID LAYER OF POWDER THEREON AT AN ELEVATED TEMPERATURE OF FROM ABOUT 1400*F. TO ABOUT 1900*F. FOR A PERIOD OF TIME SUFFICIENT TO TENACIOUSLY BOND THE PARTICLES OF SAID POWDER TOGETHER AND TO THE SURFACE OF SAID CORE,
Claim 2
Independent Claim
83 words
THE METHOD OF MAKING A BEARING PIN COMPRISING THE STEPS OF APPLYING A RELATIVELY UNIFORM LAYER OF A FINELY PARTICULATED METALLIC BEARING POWDER CONSISTING OF COPPER AND A LUBRICITY METAL TO THE SURFACE OF A SUBSTANTIALLY CYLINDRICAL HIGH STRENGTH METAL CORE, SINTERING SAID CORE AND SAID LAYER OF POWDER THEREON AT AN ELEVATED TEMPERATURE OF FROM ABOUT 1400*F. TO ABOUT 1900*F. FOR A PERIOD OF TIME SUFFICIENT TO TENACIOUSLY BOND THE PARTICLES OF SAID POWDER TOGETHER AND TO THE SURFACE OF SAID CORE,
References Cited (Backward Citations)
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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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |