Patent US3205051A successfully refreshed from Google Patents.
US3205051A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-colored porcelain-enameled aluminum articles and clad-aluminum sheets therefor
Assignee: Hospitality Homes
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Filing: 1962-05-25
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Granted: 1965-09-07
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Expires: 1982-05-25
Abstract
No abstract record available.
Inventors
- 👤 Dean S Hubbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:19
CPC Classifications
C; C03; C03C; C03C8/00; C23; C23D; C23D3/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12597; Y10T428/12604; Y10T428/12736; Y10T428/12764
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A PROCELAIN-ENAMELED ALUMINUM ARTICLE COMPRISING: AN ALUMINUM SHEET HAVING A CORE OF 6061 ALUMINUM ALLOY AND AN ALUMINUM CLADDING ALLOY OF THE 1XXX SERIES OVER AT LEAST ONE SURFACE OF THE SAID CORE HAVING SUBSTANTIALLY THE SAME ELECTROCHEMICAL POTENTIAL AS THE SAID CORE; A PROCELAIN-ENAMEL COATING OF FUSED FRIT FILM ADHERED TO THE SAID CLADDING.
Claim 2
Dependent Claim
55 words
A PROCELAIN-ENAMELED ALUMINUM ARTICLE COMPRISING: AN ALUMINUM SHEET HAVING A CORE OF 6061 ALUMINUM ALLOY AND AN ALUMINUM CLADDING ALLOY OF THE 1XXX SERIES OVER AT LEAST ONE SURFACE OF THE SAID CORE HAVING SUBSTANTIALLY THE SAME ELECTROCHEMICAL POTENTIAL AS THE SAID CORE; A PROCELAIN-ENAMEL COATING OF FUSED FRIT FILM ADHERED TO THE SAID CLADDING.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |