US2812295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of finishing metal surfaces
Assignee: Motors Liquidation Co
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Filing: 1955-03-22
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Granted: 1957-11-05
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Expires: 1975-03-22
Abstract
No abstract record available.
Inventors
- 👤 James D Patrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:20
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/02; C25D11/04; C25D11/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN A METHOD FOR MAKING MULTI-COLORED DESIGNS UPON A SHEET OF ANODIZABLE METAL, SAID DESIGN HAVING SHARPLY DEFINED BOUNDARIES BETWEEN ADJACENT COLOR AREAS, THE STEPS COMPRISING; FORMING A PATTERN HAVING SHARPLY DEFINED RAISED PORTIONS AND DEPRESSED PORTIONS IN THE SURFACE OF A SHEET OF ANODIZABLE METAL, CLEANING SAID SURFACE, ANODIZING SAID METAL SURFACE, DYEING THE ANODIZED SURFACES IN A SOLUTION OF SOLUBLE ORGANIC DYE, APPLYING A RELATIVELY VISCOUS SUBSTANCE OVER SAID RAISED PORTIONS WHICH IS IMPREGNABLE TO WATER, SAID SUBSTANCE BEING OF SUFFICIENT VISCOSITY SO THAT ON APPLICATION TO SAID RAISED PORTIONS IT WILL NOT FLOW BEYOND THE SHARPLY DEFINED EDGES THEREOF, IMMERSING SAID ANODIZED SURFACES IN A SOLUTION OF SOLUBLE DARKER AND DIFFERENT ORGANIC DYE THAN THE FIRST SAID DYE, AND REMOVING SAID COATING SUBSTANCE AND SEALING SAID DYES WITHIN THE PORES OF SAID ANODIZED SURFACES.
Claim 2
Dependent Claim
137 words
IN A METHOD FOR MAKING MULTI-COLORED DESIGNS UPON A SHEET OF ANODIZABLE METAL, SAID DESIGN HAVING SHARPLY DEFINED BOUNDARIES BETWEEN ADJACENT COLOR AREAS, THE STEPS COMPRISING; FORMING A PATTERN HAVING SHARPLY DEFINED RAISED PORTIONS AND DEPRESSED PORTIONS IN THE SURFACE OF A SHEET OF ANODIZABLE METAL, CLEANING SAID SURFACE, ANODIZING SAID METAL SURFACE, DYEING THE ANODIZED SURFACES IN A SOLUTION OF SOLUBLE ORGANIC DYE, APPLYING A RELATIVELY VISCOUS SUBSTANCE OVER SAID RAISED PORTIONS WHICH IS IMPREGNABLE TO WATER, SAID SUBSTANCE BEING OF SUFFICIENT VISCOSITY SO THAT ON APPLICATION TO SAID RAISED PORTIONS IT WILL NOT FLOW BEYOND THE SHARPLY DEFINED EDGES THEREOF, IMMERSING SAID ANODIZED SURFACES IN A SOLUTION OF SOLUBLE DARKER AND DIFFERENT ORGANIC DYE THAN THE FIRST SAID DYE, AND REMOVING SAID COATING SUBSTANCE AND SEALING SAID DYES WITHIN THE PORES OF SAID ANODIZED SURFACES.
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) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |