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US3436806A
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Method of forming an aluminum-ferrous tubular transition joint
Assignee: Boeing North American Inc
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Filing: 1967-01-26
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Granted: 1969-04-08
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Expires: 1987-01-26
Abstract
No abstract record available.
Inventors
- 👤 Edward C Supan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:31
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/001; B23K35/002; B23K5/00; B23K5/12; B23K5/16; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/938; Y10T; Y10T428/00; Y10T428/12; Y10T428/1241; Y10T428/12417; Y10T428/12451; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12757
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2535397A
Cited
US2763058A
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US2790656A
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US2809422A
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US2917818A
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US2908073A
Cited
US3292256A
Cited
US3367020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |