Patent US3167403A successfully refreshed from Google Patents.
US3167403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Base materials coated with an alloy of aluminum and manganese
Assignee: National Steel Corp
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Filing: 1960-06-09
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Granted: 1965-01-26
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Expires: 1980-06-09
Abstract
No abstract record available.
Inventors
- 👤 Edwin J Smith
- 👤 Michael G Vucih
- 👤 Lowell W Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:28
CPC Classifications
C; C25; C25D; C25D7/00; C25D7/06; C25D7/0614; C22; C22C; C22C21/00; C25D3/00; C25D3/66; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12757; Y10T428/12771; Y10T428/12993
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
30 words
A FERROUS METAL BASE COATED ON AT LEAST A PORTION OF ITS SURFACE WITH AN ALLOY CONSISTING ESSENTIALLY OF ABOUT 10-70% MANGANESE AND THE REMAINDER ALUMINUM TOGETHER WITH INCIDENTAL IMPURITIES.
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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) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |