US3377145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enamelled aluminum composite base
Assignee: Alcoa Corp
•
Filing: 1964-11-09
•
Granted: 1968-04-09
•
Expires: 1984-11-09
Abstract
No abstract record available.
Inventors
- 👤 Paul F Wallace
- 👤 Charles J Walton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:05
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/01; B32B15/016; C; C22; C22C; C22C21/00; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/936; 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
52 words
AN ENAMELLED CLAD PRODUCT COMPRISING A CORE OF ALUMINUM BASE ALLOY CONSISTING ESSENTIALLY OF ALUMINUM AND 0.3 TO 5.0% MAGNESIUM AS AN ESSENTIAL STRENGTHIMPARTING CONSTITUENT, A CLADDING BONDED TO SAID CORE CONSISTING OF AN ALLOY COMPOSED OF ALUMINUM, 0.2 TO 0.75% COPPER AND IMPURITIES, AND A VITREOUS ENAMEL BONDED TO SAID CLADDING.
Claim 2
Dependent Claim
52 words
AN ENAMELLED CLAD PRODUCT COMPRISING A CORE OF ALUMINUM BASE ALLOY CONSISTING ESSENTIALLY OF ALUMINUM AND 0.3 TO 5.0% MAGNESIUM AS AN ESSENTIAL STRENGTHIMPARTING CONSTITUENT, A CLADDING BONDED TO SAID CORE CONSISTING OF AN ALLOY COMPOSED OF ALUMINUM, 0.2 TO 0.75% COPPER AND IMPURITIES, AND A VITREOUS ENAMEL BONDED TO SAID CLADDING.
References Cited (Backward Citations)
US1662383A
Cited
US2084327A
Cited
US2821014A
Cited
US2932584A
Cited
US3235961A
Cited
US3133796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |