Patent US2804397A successfully refreshed from Google Patents.
US2804397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for using aluminum hydride to make aluminum metal coated material
Assignee: Individual
•
Filing: 1954-11-16
•
Granted: 1957-08-27
•
Expires: 1974-11-16
Abstract
No abstract record available.
Inventors
- 👤 Robert B Goodman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:36
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/02; H; H01; H01G; H01G4/00; H01G4/002; H01G4/005; H01G4/008
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
100 words
THE PROCESS FOR MAKING AN ALUMINUM METAL COATED MATERIAL WHICH COMPRISES REACTING TOGETHER LITHIUM ALUMINUM HYDRIDE AND ALUMINUM CHLORIDE IN STOICHIOMETRIC AMOUNTS TO OBTAIN A REACTANT MASS CONSISTING ALUMINUM HYDRIDE AND LITHIUM CHLORIDE AS A PERCIPITATE, SEPARATING THE LITHIUM CHLORIDE PERCIPITATE FROM SAID MASS, APPLYING THE ALUMINUM HYDRIDE CONTAINING FILTRATE TO A TRAVELING WEB OF MATERIAL IN AN INERT ATMOSPHERE, AND SUBJECTING SAID WEB OF MATERIAL IN AN EVACUATED ATMOSPHERE TO A TEMPERATURE FOR DECOMPOSING SAID ALUMINUM HYDRIDE TO CAUSE DEPOSITION OF THE METAL ALUMINUM IN THEE FORM OF A COATING ON SAID MATERIAL WHILE WITHDRAWING THE LIBERATED HYDROGEN GAS.
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) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |