US3151948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating
Assignee: National Research Corp
•
Filing: 1959-06-26
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Granted: 1964-10-06
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Expires: 1979-06-26
Abstract
No abstract record available.
Inventors
- 👤 Robert W Steeves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:29
CPC Classifications
C; C23; C23C; C23C26/00; C25; C25D; C25D11/00; C25D11/02; C25D11/04; C25D11/16; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9265; Y10S428/927; Y10S428/9335; Y10S428/938; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12583; Y10T428/1259; Y10T428/12736; Y10T428/12764
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A SHAPED BODY OF DIE-CAST ALUMINUM ALLOY CONTAINING AT LEAST ONE ALLOYING ELEMENT SELECTED FROM THE GROUP CONSISTING OF SILICON, COPPER, MAGNESIUM, IRON, MANGANESE, NICKEL, ZINC, TIN, CHROMIUM, TITANIUM AND BORON WHICH RESTRICT ANODIZING SAID BODY TO A LUSTROUS FINISH, AND A SMOOTH LUSTROUS ADHERENT COATING OF ALUMINUM METAL AND ALUMINUM OXIDE ON SAID DIE-CAST BODY, SAID COATING OF ALUMINUM METAL AND ALUMINUM OXIDE BEING SUBSTANTIALLY FREE OF SAID ALLOYING ELEMENTS WHICH RESTRICT ANODIZING SAID BODY TO A LUSTROUS FINISH, SAID ALUMINUM OXIDE FORMING THE OUTER SURFACE OF SAID COATING.
Claim 2
Dependent Claim
90 words
A SHAPED BODY OF DIE-CAST ALUMINUM ALLOY CONTAINING AT LEAST ONE ALLOYING ELEMENT SELECTED FROM THE GROUP CONSISTING OF SILICON, COPPER, MAGNESIUM, IRON, MANGANESE, NICKEL, ZINC, TIN, CHROMIUM, TITANIUM AND BORON WHICH RESTRICT ANODIZING SAID BODY TO A LUSTROUS FINISH, AND A SMOOTH LUSTROUS ADHERENT COATING OF ALUMINUM METAL AND ALUMINUM OXIDE ON SAID DIE-CAST BODY, SAID COATING OF ALUMINUM METAL AND ALUMINUM OXIDE BEING SUBSTANTIALLY FREE OF SAID ALLOYING ELEMENTS WHICH RESTRICT ANODIZING SAID BODY TO A LUSTROUS FINISH, SAID ALUMINUM OXIDE FORMING THE OUTER SURFACE OF SAID 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) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |