Patent US2021A successfully refreshed from Google Patents.
US2615768A
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US
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Grid bearing
Assignee: Motors Liquidation Co
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Filing: 1947-04-11
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Granted: 1952-10-28
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Expires: 1967-04-11
Abstract
No abstract record available.
Inventors
- 👤 Alfred W Schluchter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:41
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/24; F16C33/06; F16C33/14; F16C2220/00; F16C2220/40; F16C2220/44; F16C2220/60; F16C2223/00; F16C2223/30; F16C2223/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A GRID BEARING HAVING AN ALUMINUM BASE MATRIX PROVIDED WITH A BEARING SURFACE COMPRISING A MULTIPLICITY OF SMALL AREAS OF THE ALUMINUM BASE MATRIC SEPARATED CIRCUMFERENTIALLY OF THE BEARING BY A MULTIPLICITY OF SMALL PITS CONTAINING AREAS OF A CORROSION RESISTANT LEAD ALLOY THERMALLY BONDED TO THE ALUMINUM BASE MATRIX, SAID CORROSION RESISTANT LEAD ALLOY CONTAINING A SMALL BUT EFFECTIVE AMOUNT OF AN ALKALINE EARTH METAL AS A DEOXIDIZER, SAID SMALL BUT EFFECTIVE AMOUNT BEING NOT OVER 1/2%.
Claim 2
Dependent Claim
78 words
A GRID BEARING HAVING AN ALUMINUM BASE MATRIX PROVIDED WITH A BEARING SURFACE COMPRISING A MULTIPLICITY OF SMALL AREAS OF THE ALUMINUM BASE MATRIC SEPARATED CIRCUMFERENTIALLY OF THE BEARING BY A MULTIPLICITY OF SMALL PITS CONTAINING AREAS OF A CORROSION RESISTANT LEAD ALLOY THERMALLY BONDED TO THE ALUMINUM BASE MATRIX, SAID CORROSION RESISTANT LEAD ALLOY CONTAINING A SMALL BUT EFFECTIVE AMOUNT OF AN ALKALINE EARTH METAL AS A DEOXIDIZER, SAID SMALL BUT EFFECTIVE AMOUNT BEING NOT OVER 1/2%.
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) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |