US3058855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coloring of oxide-coated aluminum
Assignee: Beazer East Inc
•
Filing: 1959-04-16
•
Granted: 1962-10-16
•
Expires: 1979-04-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Ben H Kirby
- 👤 William C Cochran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:26
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/02; C25D11/04; C25D11/18; C25D11/24; C25D11/243
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
METHOD OF COLORING OXIDE-COATED ALUMINUM COMPRISING APPLYING A SOLUTION OF A WATER-INSOLUBLE, ACIDSOLUBLE VAT DYESTUFF IN AN ACID-PASTING ACID AT A TEMPERATURE NOT EXCEEDING THE DECOMPOSITION TEMPERATURE OF SAID VAT DYESTUFF TO ALUMINUM HAVING AN ARTIFICIALLY PRODUCED OXIDE COATING THEREON, REMOVING THE EXCESS OF SAID SOLUTION , AND CONTACTING SAID ALUMINUM WITH AN AQUEOUS DILUENT TO INSOLUBILIZE THE DYESTUFF WITHIN THE PORES OF THE OXIDE COATING.
Claim 2
Dependent Claim
66 words
METHOD OF COLORING OXIDE-COATED ALUMINUM COMPRISING APPLYING A SOLUTION OF A WATER-INSOLUBLE, ACIDSOLUBLE VAT DYESTUFF IN AN ACID-PASTING ACID AT A TEMPERATURE NOT EXCEEDING THE DECOMPOSITION TEMPERATURE OF SAID VAT DYESTUFF TO ALUMINUM HAVING AN ARTIFICIALLY PRODUCED OXIDE COATING THEREON, REMOVING THE EXCESS OF SAID SOLUTION , AND CONTACTING SAID ALUMINUM WITH AN AQUEOUS DILUENT TO INSOLUBILIZE THE DYESTUFF WITHIN THE PORES OF THE OXIDE COATING.
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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) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |