Patent US2845918A successfully refreshed from Google Patents.
US2845918A
Expired / Lapsed
US
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Bearing surfaces
Assignee: Motors Liquidation Co
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Filing: 1955-03-07
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Granted: 1958-08-05
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Expires: 1975-03-07
Abstract
No abstract record available.
Inventors
- 👤 Carl L Goodzeit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:44
CPC Classifications
F; F02; F02F; F02F3/00; F02F3/10; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/12; F16C33/121; F16C33/122; F16C33/125; F16C33/14; F16J; F16J1/00; F16J1/02; F05; F05C; F05C2201/00; F05C2201/02; F05C2201/021; F05C2201/04; F05C2201/0433; F05C2201/0448; F05C2201/0469; F05C2201/0472; F16C2204/00; F16C2204/20; F16C2204/30; F16C2223/00; F16C2223/30; F16C2223/40; F16C2223/42; F16C2223/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN AN INTERNAL COMBUSTION ENGINE, A CYLINDER BLOCK FORMED OF CAST IRON AND PROVIDED WITH A GENERALLY CYLINDRICAL BORE, A FERROUS METAL CYLINDER LINER SECURED WITHIN SAID BORE, SAID LINER HAVING INNER CYLINDER DEFINING SURFACES PROVIDED WITH A THIN COATING OF A METAL SELECTED FROM THE GROUP CONSISTING OF CADMIUM AND CADMIUM BASE ALLOYS, AND A PISTON RECIPROCABLY MOUNTED WITHIN SAID BORE AND HAVING OUTER SIDE SURFACES IN CONTACT WITH SAID COATING, SAID PISTON BEING FORMED OF AN ALLOY COMPRISING APPROXIMATELY 8.5% TO 10.5% SILICON, 2% TO 4% COPPER 0.5% TO 1.5% MAGNESIUM, NICKEL NOT IN EXCESS OF 1.5% AND THE BALANCE SUBSTANTIALLY ALL ALUMINUM.
Claim 2
Dependent Claim
105 words
IN AN INTERNAL COMBUSTION ENGINE, A CYLINDER BLOCK FORMED OF CAST IRON AND PROVIDED WITH A GENERALLY CYLINDRICAL BORE, A FERROUS METAL CYLINDER LINER SECURED WITHIN SAID BORE, SAID LINER HAVING INNER CYLINDER DEFINING SURFACES PROVIDED WITH A THIN COATING OF A METAL SELECTED FROM THE GROUP CONSISTING OF CADMIUM AND CADMIUM BASE ALLOYS, AND A PISTON RECIPROCABLY MOUNTED WITHIN SAID BORE AND HAVING OUTER SIDE SURFACES IN CONTACT WITH SAID COATING, SAID PISTON BEING FORMED OF AN ALLOY COMPRISING APPROXIMATELY 8.5% TO 10.5% SILICON, 2% TO 4% COPPER 0.5% TO 1.5% MAGNESIUM, NICKEL NOT IN EXCESS OF 1.5% AND THE BALANCE SUBSTANTIALLY ALL ALUMINUM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |