Patent US1609435A successfully refreshed from Google Patents.
Patent US3359615A successfully refreshed from Google Patents.
US3359615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a die cast cylinder for internal combustion engines
Assignee: Farley Metals Inc
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Filing: 1963-03-06
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Granted: 1967-12-26
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Expires: 1983-03-06
Abstract
No abstract record available.
Inventors
- 👤 Alfred F Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:33
CPC Classifications
F; F02; F02B; F02B77/00; F02B77/02; B; B22; B22D; B22D19/00; B22D19/0009; F01; F01C; F01C21/00; F01C21/10; F01C21/104; F01C21/106; F02B53/00; F02B55/00; F02B55/08; F02B2053/005; F02B2730/00; F02B2730/01; F02B2730/018; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49231; Y10T29/49234; Y10T29/4927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
THE METHOD OF MAKING A REINFORCED LIGHT METAL CYLINDER FOR AN INTERNAL COMBUSTION ENGINE WHICH INCLUDES DEPOSITING A COATING OF A METAL HAVING A HIGHER MELTING POINT THAN THE LIGHT METAL ON A CORE PIECE, APPLYING REINFORCING ELEMENTS OVER SAID COATING ON AT LEAST THOSE AREAS WHERE HIGH STRESS OCCURS DURING ENGINE OPERATION, DEPOSITING ADDITIONAL COATING MATERIAL OVER AT LEAST PORTIONS OF SAID REINFORCING ELEMENTS TO RETAIN THEIR POSITION WITH RESPECT TO SAID CORE PIECE, INTRODUCING THE CORE PIECE WITH THE COATING AND REINFORCING ELEMENTS THEREON INTO A DIE CASTING DIE, CASTING LIGHT METAL AROUND SAID CORE AND REINFORCING ELEMENTS UNDER DIE CASTING PRESSURES TO EMBED SAID REINFORCING ELEMENTS AND TO UNITE THE LIGHT METAL WITH THE EXPOSED SURFACE OF SAID COATING, AND STRIPPING SAID CASTING FROM SAID CORE WHEREBY SAID COATING AND REINFORCING ELEMENTS REMAIN WITH SAID CASTING AND SAID CORE CAN BE RETURNED FOR SUBSEQUENT CASTING CYCLES.
Claim 2
Independent Claim
149 words
THE METHOD OF MAKING A REINFORCED LIGHT METAL CYLINDER FOR AN INTERNAL COMBUSTION ENGINE WHICH INCLUDES DEPOSITING A COATING OF A METAL HAVING A HIGHER MELTING POINT THAN THE LIGHT METAL ON A CORE PIECE, APPLYING REINFORCING ELEMENTS OVER SAID COATING ON AT LEAST THOSE AREAS WHERE HIGH STRESS OCCURS DURING ENGINE OPERATION, DEPOSITING ADDITIONAL COATING MATERIAL OVER AT LEAST PORTIONS OF SAID REINFORCING ELEMENTS TO RETAIN THEIR POSITION WITH RESPECT TO SAID CORE PIECE, INTRODUCING THE CORE PIECE WITH THE COATING AND REINFORCING ELEMENTS THEREON INTO A DIE CASTING DIE, CASTING LIGHT METAL AROUND SAID CORE AND REINFORCING ELEMENTS UNDER DIE CASTING PRESSURES TO EMBED SAID REINFORCING ELEMENTS AND TO UNITE THE LIGHT METAL WITH THE EXPOSED SURFACE OF SAID COATING, AND STRIPPING SAID CASTING FROM SAID CORE WHEREBY SAID COATING AND REINFORCING ELEMENTS REMAIN WITH SAID CASTING AND SAID CORE CAN BE RETURNED FOR SUBSEQUENT CASTING CYCLES.
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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) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |