US2599726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making grid bearings
Assignee: Motors Liquidation Co
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Filing: 1948-07-15
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Granted: 1952-06-10
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Expires: 1968-07-15
Abstract
No abstract record available.
Inventors
- 👤 Alfred W Schluchter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:20
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/14; F16C33/24; F16C2220/00; F16C2220/40; F16C2220/44; F16C2220/60; F16C2223/00; F16C2223/30; F16C2223/40; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49705
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN THE METHOD OF MAKING A GRIDDED BEARING IN WHICH A READILY OXIDIZABLE METAL BEARING BLANK IS IMMERSED IN MOLTEN SOFT BEARING METAL AND, WHILE SO IMMERSED, HAS SURFACE OXIDATION REMOVED THEREFROM BY ABRADING AND INDENTATIONS FORMED THEREIN TO RECEIVE SAID SOFT BEARING METAL; THE IMPROVEMENT WHICH CONSISTS IN INCLUDING IN SAID MOLTEN SOFT BEARING METAL A SMALL BUT EFFECTIVE AMOUNT NOT GREATER THAN ABOUT 1/2% OF AN ALKALINE EARTH METAL AS A DEXODIZER, WHEREBY THE ABRADED SURFACE IS MAINTAINED SUBSTANTIALLY FREE OF OXIDES TO THEREBY PROMOTE THE ADHESION OF SAID SOFT BEARING METAL TO SAID METAL BEARING BLANK.
Claim 2
Dependent Claim
99 words
IN THE METHOD OF MAKING A GRIDDED BEARING IN WHICH A READILY OXIDIZABLE METAL BEARING BLANK IS IMMERSED IN MOLTEN SOFT BEARING METAL AND, WHILE SO IMMERSED, HAS SURFACE OXIDATION REMOVED THEREFROM BY ABRADING AND INDENTATIONS FORMED THEREIN TO RECEIVE SAID SOFT BEARING METAL; THE IMPROVEMENT WHICH CONSISTS IN INCLUDING IN SAID MOLTEN SOFT BEARING METAL A SMALL BUT EFFECTIVE AMOUNT NOT GREATER THAN ABOUT 1/2% OF AN ALKALINE EARTH METAL AS A DEXODIZER, WHEREBY THE ABRADED SURFACE IS MAINTAINED SUBSTANTIALLY FREE OF OXIDES TO THEREBY PROMOTE THE ADHESION OF SAID SOFT BEARING METAL TO SAID METAL BEARING BLANK.
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) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |