Patent US2780591A successfully refreshed from Google Patents.
US2780591A
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Decorative metal plating
Assignee: Oakite Products Inc
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Filing: 1953-11-06
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Granted: 1957-02-05
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Expires: 1973-11-06
Abstract
No abstract record available.
Inventors
- 👤 Samuel S Frey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:36
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/34; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9265; Y10S428/927; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/1266; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/12854; Y10T428/12861; Y10T428/12903; Y10T428/1291; Y10T428/12993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A METHOD OF PRODUCING A DECORATIVE FINISH UPON A METAL OBJECT SELECTED FROM THE GROUP CONSISTING OF COPPER, BRASS, AND STEEL OBJECTS WHICH COMPRISES ANODIZING SUCH METAL OBJECT IN AN ALKALINE AQUEOUD SILICACEOUS SOLUTION HAVING A PH OF BETWEEN 10.25 AND 12.2 TO PRODUCE AN INVISIBLE ANODIC FILM THEREON AND THEREAFTER ELECTROPLATING SUCH ANODIZED OBJECT STILL CARRYING SUCH ANODIC FILM IN A BRIGHT NICKEL PLATING BATH UNTIL A PATTERNED NICKEL PLATE IS PRODUCED.
Claim 2
Independent Claim
73 words
A METHOD OF PRODUCING A DECORATIVE FINISH UPON A METAL OBJECT SELECTED FROM THE GROUP CONSISTING OF COPPER, BRASS, AND STEEL OBJECTS WHICH COMPRISES ANODIZING SUCH METAL OBJECT IN AN ALKALINE AQUEOUD SILICACEOUS SOLUTION HAVING A PH OF BETWEEN 10.25 AND 12.2 TO PRODUCE AN INVISIBLE ANODIC FILM THEREON AND THEREAFTER ELECTROPLATING SUCH ANODIZED OBJECT STILL CARRYING SUCH ANODIC FILM IN A BRIGHT NICKEL PLATING BATH UNTIL A PATTERNED NICKEL PLATE IS PRODUCED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |