US3550247A
Expired / Lapsed
US
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Method for producing a metal composite
Assignee: Akzo Nobel UK PLC
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Filing: 1968-01-31
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Granted: 1970-12-29
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Expires: 1988-01-31
Abstract
No abstract record available.
Inventors
- 👤 Lee Stanley Evans
- 👤 Peter Ernest Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:38
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/50; C04B41/51; C04B41/80; C04B41/81; C04B41/85; C04B41/88; C22; C22C; C22C49/00; C22C49/14; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/1851; C23C18/1862; C23C18/1865; C23C18/1872; C23C18/1875; C23C18/1879; C23C18/1886; C23C18/1889; C25; C25D; C25D1/00; D; D01; D01F; D01F11/00; D01F11/10; D01F11/12; D01F11/127; D06; D06Q; D06Q1/00; D06Q1/04; Y; Y10; Y10S; Y10S264/00; Y10S264/19; Y10T; Y10T29/00; Y10T29/49; Y10T29/49801
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) | 1973-12-28 | 1974-06-29 | 1974-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-28 | 1978-06-29 | 1978-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-28 | 1982-06-29 | 1982-12-29 | $7700.00 | Window Closed / Lapsed |