US3235961A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing coated aluminium base alloys
Assignee: British Aluminum Co Ltd
•
Filing: 1962-06-07
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Granted: 1966-02-22
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Expires: 1982-06-07
Abstract
No abstract record available.
Inventors
- 👤 Champion Frederick Alfred
- 👤 Jones Derek Walter
- 👤 Skerrey Ernest William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:24
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/14; B05D7/16; B23; B23K; B23K20/00; B23K20/22; B23K20/233; B23K20/2336; B32; B32B; B32B15/00; B32B15/01; B32B15/016; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49888; Y10T29/4998; Y10T29/49982; Y10T29/49986; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12556; Y10T428/12569; Y10T428/12736; Y10T428/12764
Claims Analysis
Total Claims: 0
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |