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US3856360A
Expired / Lapsed
US
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Aluminum base alloy die casting wheel
Assignee: US REDUCTION ACQUISTION CORP A CORP OF DE
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Filing: 1973-03-01
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Granted: 1974-12-24
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Expires: 1993-03-01
Abstract
Abstract An aluminum base alloy and an automobile wheel diecast therefrom, the alloy consisting essentially of aluminum and by weight percentage of the total composition, magnesium 0.25 to 0.6%, copper 0.25 to 0.6%, iron 0.5 to 1.5%, silicon 11 to 13.5%, chromium 0.25 to 0.4%, a maximum of 3% zinc, a maximum of 0.5% manganese and a maximum of 0.2% of each of titanium, nickel, tin and lead.
Inventors
- 👤 R Lindberg
- 👤 G Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:26
CPC Classifications
C; C22; C22C; C22C21/00; C22C21/02; B; B60; B60B; B60B1/00; B60B1/06; B60B1/08; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20834
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
69 words
A DIE-CAST ALUMINUM AUTOMOBILE WHEEL HAVING A FLANGE; SPIDERS AND A RIM, SAID WHEEL CONSISTING ESSENTIALLY OF ALUMINUM, AND BY WEIGHT PERCENTAGE OF THE TOTAL COMPOSITION, MAGNESIUM 0.25 TO 0.6%, COPPER 0.25 TO 0.6%, IRON 0.5 TO 1.5%, SILICON 11 TO 13.5%, CHROMIUM 0.25 TO 0.4%, A MAXIMUM OF 3% ZINC, A MAXIMUM OF 0.5% MANGANESE AND A MAXIMUM OF 0.2% OF EACH OF TITANIUM, NICKEL, TIN AND LEAD.
Claim 2
Dependent Claim
69 words
A DIE-CAST ALUMINUM AUTOMOBILE WHEEL HAVING A FLANGE; SPIDERS AND A RIM, SAID WHEEL CONSISTING ESSENTIALLY OF ALUMINUM, AND BY WEIGHT PERCENTAGE OF THE TOTAL COMPOSITION, MAGNESIUM 0.25 TO 0.6%, COPPER 0.25 TO 0.6%, IRON 0.5 TO 1.5%, SILICON 11 TO 13.5%, CHROMIUM 0.25 TO 0.4%, A MAXIMUM OF 3% ZINC, A MAXIMUM OF 0.5% MANGANESE AND A MAXIMUM OF 0.2% OF EACH OF TITANIUM, NICKEL, TIN AND LEAD.
Claim 3
Dependent Claim
77 words
A die-cast aluminum automobile wheel having a flange, spiders and a rim, said wheel consisting essentially of aluminum and by weight percentage of the total composition, magnesium 0.25 to 0.4%, copper 0.25 to 0.5%, iron 0.4 to 0.8%, silicon 11 to 12%, chromium 0.3 to 0.4%, a maximum of 1% zinc, a maximum of 0.35% manganese, a maximum of 0.05% of each of titanium and nickel and a maximum of 0.1% of each of tin and lead.
Claim 4
Dependent Claim
77 words
A die-cast aluminum automobile wheel having a flange, spiders and a rim, said wheel consisting essentially of aluminum and by weight percentage of the total composition, magnesium 0.25 to 0.4%, copper 0.25 to 0.5%, iron 0.4 to 0.8%, silicon 11 to 12%, chromium 0.3 to 0.4%, a maximum of 1% zinc, a maximum of 0.35% manganese, a maximum of 0.05% of each of titanium and nickel and a maximum of 0.1% of each of tin and lead.
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) | 1977-12-23 | 1978-06-24 | 1978-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-23 | 1982-06-24 | 1982-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-23 | 1986-06-24 | 1986-12-24 | $7700.00 | Window Closed / Lapsed |