US3017696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion-resistant surface
Assignee: Griscom Russell Co
•
Filing: 1957-03-11
•
Granted: 1962-01-23
•
Expires: 1977-03-11
Abstract
No abstract record available.
Inventors
- 👤 Luther E Vaaler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:03
CPC Classifications
C; C23; C23F; C23F15/00; C23F11/00; C25; C25F; C25F3/00; C25F3/02; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12556; Y10T428/12569; Y10T428/12771; Y10T428/12861; Y10T428/12903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
THE METHOD OF FORMING A CORROSION-RESISTANT ARTICLE WHICH CONSISTS IN DEPOSITING A PROTECTIVE METAL COATING UPON A SURFACE OF A METAL BASE IN SUCH A MANNER AS TO PROVIDE A PLURALITY OF PORES IN SAID PROTECTIVE METAL COATING, WIDENING SAID PORES AND FORMING RESERVOIRS AT THE INTERRFACE BETWEEN THE METAL BASE AND THE PROTECTIVE METAL COATING BY ACID ETCHING, AND COATING SAID PROTECTIVE METAL COATING AND IMPREGNATING SAID PORES AND RESERVOIRS WITH A VISCOUS NONCORROSIVE, CORROSION-RESISTANT MATERIAL CAPABLE OF MIGRATING FROM THE PORES TO THE SURFACE OF THE PROTECTIVE METAL COATING.
Claim 2
Independent Claim
91 words
THE METHOD OF FORMING A CORROSION-RESISTANT ARTICLE WHICH CONSISTS IN DEPOSITING A PROTECTIVE METAL COATING UPON A SURFACE OF A METAL BASE IN SUCH A MANNER AS TO PROVIDE A PLURALITY OF PORES IN SAID PROTECTIVE METAL COATING, WIDENING SAID PORES AND FORMING RESERVOIRS AT THE INTERRFACE BETWEEN THE METAL BASE AND THE PROTECTIVE METAL COATING BY ACID ETCHING, AND COATING SAID PROTECTIVE METAL COATING AND IMPREGNATING SAID PORES AND RESERVOIRS WITH A VISCOUS NONCORROSIVE, CORROSION-RESISTANT MATERIAL CAPABLE OF MIGRATING FROM THE PORES TO THE SURFACE OF THE PROTECTIVE METAL COATING.
References Cited (Backward Citations)
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Cited
US2196261A
Cited
US2187086A
Cited
US2598213A
Cited
US2793571A
Cited
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Cited
US2689380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |