US3019101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum base alloy for die castings
Assignee: Apex Smelting Co
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Filing: 1960-04-28
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Granted: 1962-01-30
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Expires: 1980-04-28
Abstract
No abstract record available.
Inventors
- 👤 Donald L Colwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:48
CPC Classifications
C; C22; C22C; C22C21/00; C22C21/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
AN ALUMINUM BASE ALOY SUITABLE FOR DIE CASTINGS, AND CONSISTING ESSENTIALLY OF BETWEEN 3.5 PERCENT AND 6.0 PERCENT OF ZINC, BETWEEN 0.L PERCENT AND 2.0 PERCENT OF IRON, AND BETWEEN 0.25 PERCENT AND 2.0 PERCENT OF ANTIMONY, THE BALANCE BEING SUBSTANTIALLY ALL ALUMINUM, AND CHARACTERIZED BY AND ADAPTABILITY TO ACQUIRE AN EXCELLENT FINISH WHEN OXIDE COATED.
Claim 2
Dependent Claim
56 words
AN ALUMINUM BASE ALOY SUITABLE FOR DIE CASTINGS, AND CONSISTING ESSENTIALLY OF BETWEEN 3.5 PERCENT AND 6.0 PERCENT OF ZINC, BETWEEN 0.L PERCENT AND 2.0 PERCENT OF IRON, AND BETWEEN 0.25 PERCENT AND 2.0 PERCENT OF ANTIMONY, THE BALANCE BEING SUBSTANTIALLY ALL ALUMINUM, AND CHARACTERIZED BY AND ADAPTABILITY TO ACQUIRE AN EXCELLENT FINISH WHEN OXIDE COATED.
References Cited (Backward Citations)
FR819263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |