US3240572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective coating for metals and method of making the same
Assignee: BBC Brown Boveri AG Germany
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Filing: 1963-02-08
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Granted: 1966-03-15
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Expires: 1983-02-08
Abstract
No abstract record available.
Inventors
- 👤 Faber Guy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:52
CPC Classifications
C; C23; C23C; C23C28/00; C23C28/02; C23C28/023; C23C10/00; C23C10/28; C23C10/34; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/12854; Y10T428/12861; Y10T428/12931
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
AN ARTICLE HAVING A BASE OF A METAL SELECTED FROM THE GROUP CONSISTING OF AUSTENITIC HEAT-RESISTANT STEELS AND HEAT-RESISTANT NICKEL AND COBALT ALLOYS, AN INTERMEDIATE COATING OF PLAIN IRON SUBSTANTIALLY FREE OF CARBON AND SILICON AND A TOP COATING OF CHROMIUM.
Claim 2
Dependent Claim
41 words
AN ARTICLE HAVING A BASE OF A METAL SELECTED FROM THE GROUP CONSISTING OF AUSTENITIC HEAT-RESISTANT STEELS AND HEAT-RESISTANT NICKEL AND COBALT ALLOYS, AN INTERMEDIATE COATING OF PLAIN IRON SUBSTANTIALLY FREE OF CARBON AND SILICON AND A TOP COATING OF CHROMIUM.
References Cited (Backward Citations)
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US1896411A
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Cited
US2402834A
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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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |