US3343928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ferrous substrate having an iron-chromium-aluminum alloy coating thereon
Assignee: EIDP Inc
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Filing: 1965-10-15
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Granted: 1967-09-26
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Expires: 1985-10-15
Abstract
No abstract record available.
Inventors
- 👤 Harold E Bellis
- 👤 Giles F Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:28
CPC Classifications
C; C23; C23C; C23C10/00; C23C10/18; C23C10/20; C23C10/22; B; B32; B32B; B32B15/00; B32B15/01; B32B15/011; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12458; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/12854; Y10T428/12861; Y10T428/12951; Y10T428/12958
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
AN ARTICLE OF MANUFACTURE COMPRISING A FERROUS METAL SUBSTRATE HAVING A FERRITIC ALLOY COATING, WHEREIN THE TOP 0.3 MIL OF SAID COATING IS AN ALLOY CONSISTING OF FROM 12 TO 50% BY WEIGHT OF CHROMIUM, FROM ABOUT 0.08% TO 4% BY WEIGHT OF ALUMINUM, AND THE BALANCE CONSISTING ESSENTIALLY OF IRON.
Claim 2
Dependent Claim
51 words
AN ARTICLE OF MANUFACTURE COMPRISING A FERROUS METAL SUBSTRATE HAVING A FERRITIC ALLOY COATING, WHEREIN THE TOP 0.3 MIL OF SAID COATING IS AN ALLOY CONSISTING OF FROM 12 TO 50% BY WEIGHT OF CHROMIUM, FROM ABOUT 0.08% TO 4% BY WEIGHT OF ALUMINUM, AND THE BALANCE CONSISTING ESSENTIALLY OF IRON.
References Cited (Backward Citations)
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Cited
GB363306A
Cited
US2048164A
Cited
US1995923A
Cited
US2537207A
Cited
US2584354A
Cited
US2764805A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |