Patent US3201212A successfully refreshed from Google Patents.
US3201212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trim member
Assignee: Allegheny Ludlum Steel Corp
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Filing: 1962-06-22
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Granted: 1965-08-17
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Expires: 1982-06-22
Abstract
No abstract record available.
Inventors
- 👤 Donald R Zaremski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:15
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/05; C23C22/06; C23C22/24; B; B60; B60R; B60R13/00; B60R13/04; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9265; Y10S428/927; Y10S428/933; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/937; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12583; Y10T428/12771; Y10T428/12785; Y10T428/12792; Y10T428/12861; Y10T428/12951; Y10T428/12972; Y10T428/12979
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A STAINLESS STEEL TRIM MEMBER FOR ATTACHMENT TO A MEMBER FORMED OF A STEEL THAT IS LESS NOBLE THAN STAINLESS STEEL COMPRISING A FORMED STAINLESS STEEL ARTICLE HAVING A CONTACT FACE DISPOSED TO ABUT SAID LESS NOBLE STEEL MEMBER AND AN EXPOSURE SURFACE DISPOSED T EXHIBIT A STAINLESS STEEL SURFACE, A ZINC COATING DISPOSED OVER SAID CONTACT FACE AND A THIN, SUBSTANTIALLY INVISIBLE IN SITU CHEMICAL REACTION CHROMATE CONVERSION COATING DISPOSED OVER SAID EXPOSURE SURFACE AND IN DIRECT CONTACT THEREWITH, WHEREBY WHEN THE TRIM MEMBER IS ATTACHED TO THE LESS NOBLE STEEL, GALVANIC CORROSION OF THE LESS NOBLE STEEL WILL BE PREVENTED AND THE EXPOSURE SURFACE OF THE STAINLESS STEEL WILL HAVE INCREASED CORROSION RESISTANCE.
Claim 2
Dependent Claim
115 words
A STAINLESS STEEL TRIM MEMBER FOR ATTACHMENT TO A MEMBER FORMED OF A STEEL THAT IS LESS NOBLE THAN STAINLESS STEEL COMPRISING A FORMED STAINLESS STEEL ARTICLE HAVING A CONTACT FACE DISPOSED TO ABUT SAID LESS NOBLE STEEL MEMBER AND AN EXPOSURE SURFACE DISPOSED T EXHIBIT A STAINLESS STEEL SURFACE, A ZINC COATING DISPOSED OVER SAID CONTACT FACE AND A THIN, SUBSTANTIALLY INVISIBLE IN SITU CHEMICAL REACTION CHROMATE CONVERSION COATING DISPOSED OVER SAID EXPOSURE SURFACE AND IN DIRECT CONTACT THEREWITH, WHEREBY WHEN THE TRIM MEMBER IS ATTACHED TO THE LESS NOBLE STEEL, GALVANIC CORROSION OF THE LESS NOBLE STEEL WILL BE PREVENTED AND THE EXPOSURE SURFACE OF THE STAINLESS STEEL WILL HAVE INCREASED CORROSION RESISTANCE.
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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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |