Patent US3584932A successfully refreshed from Google Patents.
US3584932A
Expired / Lapsed
US
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Aluminous metal with glass beads bonded thereto
Assignee: Alcoa Corp
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Filing: 1969-06-27
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Granted: 1971-06-15
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Expires: 1989-06-27
Abstract
Abstract A reflective composite having glass beads bonded to an aluminous metal substrate by a fused alloy containing aluminum, silicon and magnesium.
Inventors
- 👤 James R Terrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:09
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/12; G02B5/126; G02B5/128; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12736; Y10T428/12764; Y10T428/25; Y10T428/252
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
31 words
a layer of fused aluminum brazing alloy integrally bonded to said substrate, said alloy consisting essentially of aluminum, 4 percent to 13 percent silicon and 1 percent to 8 percent magnesium,
Claim 2
Dependent Claim
21 words
The composite article according to claim 1 wherein the fused aluminum brazing alloy layer contains 4 percent to 6 percent magnesium.
Claim 3
Dependent Claim
19 words
The composite article according to claim 1 wherein the glass beads are from one-sixteenth to one-fourth inch in diameter.
Claim 4
Dependent Claim
15 words
a plurality of glass beads embedded in and bonded to said fused aluminum joining alloy.
References Cited (Backward Citations)
US3005382A
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US3190178A
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US3279316A
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US3311441A
Cited
US3355311A
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US3413058A
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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) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |