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US3480465A
Expired / Lapsed
US
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Method of chemically bonding aluminum or aluminum alloys to ferrous alloys
Assignee: Individual
•
Filing: 1966-03-30
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Granted: 1969-11-25
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Expires: 1986-03-30
Abstract
No abstract record available.
Inventors
- 👤 Mamoru Imabayashi
- 👤 Shichiro Ohshima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:17
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/26; C23C6/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2123181A
Cited
US2265243A
Cited
US2328788A
Cited
US2634469A
Cited
US2544670A
Cited
US2849790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |