Patent US3423251A successfully refreshed from Google Patents.
US3423251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for decorating aluminum
Assignee: American Optical Corp
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Filing: 1966-05-31
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Granted: 1969-01-21
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Expires: 1986-05-31
Abstract
No abstract record available.
Inventors
- 👤 Richard T Metcalfe
- 👤 Joseph P R Levesque
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:29
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/02; C25D11/04; C25D11/18; B; B41; B41M; B41M1/00; B41M1/26; B41M1/28; C25D11/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN A PROCESS OF DECORATING A POROUS OXIDE COATING ON ALUMINUM, THE IMPROVEMENT WHICH COMPRISES PRINTING ON THE SURFACE OF SAID OXIDE COATING A DESIGN OF PRESCRIBED PATTERN IN A PRINTING INK COMPRISED OF A NUMBER OF DYESTUFFS DISPERSED IN A CARRIER IN WHICH THE DYESTUFFS ARE INSOLUBLE, SUBJECTING THE PRINTED OXIDE COATING TO A SOLVENT FOR BOTH THE DYESTUFFS AND CARRIER TO CAUSE SAID DYESTUFFS TO PENETRATE INTO SAID COATING IN A PATTERN SUBSTANTIALLY IDENTICAL TO THAT OF SAID PRINTING AND SEALING THE PORES OF SAID OXIDE COATING.
Claim 2
Dependent Claim
89 words
IN A PROCESS OF DECORATING A POROUS OXIDE COATING ON ALUMINUM, THE IMPROVEMENT WHICH COMPRISES PRINTING ON THE SURFACE OF SAID OXIDE COATING A DESIGN OF PRESCRIBED PATTERN IN A PRINTING INK COMPRISED OF A NUMBER OF DYESTUFFS DISPERSED IN A CARRIER IN WHICH THE DYESTUFFS ARE INSOLUBLE, SUBJECTING THE PRINTED OXIDE COATING TO A SOLVENT FOR BOTH THE DYESTUFFS AND CARRIER TO CAUSE SAID DYESTUFFS TO PENETRATE INTO SAID COATING IN A PATTERN SUBSTANTIALLY IDENTICAL TO THAT OF SAID PRINTING AND SEALING THE PORES OF SAID OXIDE COATING.
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) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |