US2932585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enameled aluminum products and methods of making the same
Assignee: Hospitality Homes
•
Filing: 1955-10-24
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Granted: 1960-04-12
•
Expires: 1975-10-24
Abstract
No abstract record available.
Inventors
- 👤 Dean S Hubbell
- 👤 Ernest P Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:31
CPC Classifications
C; C23; C23D; C23D3/00; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/927; Y10S428/9335; Y10S428/936; Y10S428/937; Y10S428/938; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12597; Y10T428/12681; Y10T428/12736
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
THE METHOD OF ENAMELING A SURFACE OF AN ARTICLE, SAID SURFACE CONSISTING OF AN ALUMINUM ALLOY SELECTED FROM THE GROUP CONSISTING OF ALLOYS IDENTIFIED AS 2XXX, 4XXX, 5XXX, 6XXX AND 7XXX, COMPRISING CONTACTING A CLEAN SURFACE OF SAID ARTICLE WITH AN AQUEOUS ALKALINE SOLUTION OF ANTIMONY OXIDE, TERMINATING SAID CONTACT AFTER A THIN FILM OF BOND PROMOTING MATERIAL CONTAINING ANTIMONY HAS BEEN DEPOSITED ON SAID SURFACE, HEATING THE FILM COVERED ARTICLE TO A TEMPERATURE OF ABOUT 1000*F. FOR A SHORT PERIOD OF TIME AND COOLING THE ARTICLE CONTTAINING FROM 0.02 TO 0.058 GRAM OF ANTIMONY PER SQUARE FOOT OF SAID SURFACE, APPLYING TO SAID SURFACE THUS TREATED A VITEROUS ENAMELING FRIT HAVING A MATURING TEMPERATURE LESS THAN THE MELTING POINT OF SAID ALLOY, AND FIRING THE FRITTED ARTICLE TO MATURE THE FRIT AND TO FORM A TIGHTLY AND PERMANENTLY BONDED VITEROUS ENAMEL COATING OVER SAID SURFACE.
Claim 2
Independent Claim
146 words
THE METHOD OF ENAMELING A SURFACE OF AN ARTICLE, SAID SURFACE CONSISTING OF AN ALUMINUM ALLOY SELECTED FROM THE GROUP CONSISTING OF ALLOYS IDENTIFIED AS 2XXX, 4XXX, 5XXX, 6XXX AND 7XXX, COMPRISING CONTACTING A CLEAN SURFACE OF SAID ARTICLE WITH AN AQUEOUS ALKALINE SOLUTION OF ANTIMONY OXIDE, TERMINATING SAID CONTACT AFTER A THIN FILM OF BOND PROMOTING MATERIAL CONTAINING ANTIMONY HAS BEEN DEPOSITED ON SAID SURFACE, HEATING THE FILM COVERED ARTICLE TO A TEMPERATURE OF ABOUT 1000*F. FOR A SHORT PERIOD OF TIME AND COOLING THE ARTICLE CONTTAINING FROM 0.02 TO 0.058 GRAM OF ANTIMONY PER SQUARE FOOT OF SAID SURFACE, APPLYING TO SAID SURFACE THUS TREATED A VITEROUS ENAMELING FRIT HAVING A MATURING TEMPERATURE LESS THAN THE MELTING POINT OF SAID ALLOY, AND FIRING THE FRITTED ARTICLE TO MATURE THE FRIT AND TO FORM A TIGHTLY AND PERMANENTLY BONDED VITEROUS ENAMEL COATING OVER SAID SURFACE.
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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) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |