US3553825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding aluminum
Assignee: LONG MANUFACTURING Ltd A CORP OF CANADA
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Filing: 1969-11-06
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Granted: 1971-01-12
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Expires: 1989-11-06
Abstract
Abstract A METHOD OF BONDING FRAGILE ALUMINUM PARTS EITHER TO THEMSELVES OR TO OTHER METALS BY PLACING A CLAD SURFACE OF CONVENTIONAL ALLOY ON THE ALUMINUM PART, A BOND PROMOTING METAL OF IRON OR ARSENIC AND PLACING THE PARTS TO BE JOINED TOGETHER AT A SUFFICIENTLY HIGH TEMPERATURE TO CAUSE MELTING AND FLOWING OF THE CLAD SURFACE TO THEREBY BOND THE COMPONENTS TO EACH OTHER. THE METHOD DOES NOT REQUIRE PRESSURE AND THE JOINING OF THE PARTS IS ACCOMPLISHED IN AN INERT ATMOSPHERE.
Inventors
- 👤 Kostas F Dockus
- 👤 John L Zambrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:41
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/28; B23K35/286; B23K35/001; B23K35/002; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12757
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |