US2743221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolyte composition and process for employing same
Assignee: Individual
•
Filing: 1954-08-20
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Granted: 1956-04-24
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Expires: 1974-08-20
Abstract
No abstract record available.
Inventors
- 👤 Paul L Sanford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:07
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/02; C25D11/04; C25D11/06; C25D11/08; C25D11/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
55 words
A NOVEL COMPOSITION OF MATTER: AN ACIDIC EXTRACT OF A SUBSTANCE CHOSEN FROM THE GROUP CONSISTING OF LOW GRADE COAL, LIGNITE AND PEAT, SAID EXTRACT BEING OBTAINED BY COOKING A MIXTURE OF SAID SUBSTANCE WITH WATER AT A TEMPERTURE OF FROM ABOUT THE BOILING POINT OF SAID MIXTURE AT ATMOSPHERIC PRESSURE TO ABOUT 350* F.
Claim 2
Dependent Claim
55 words
A NOVEL COMPOSITION OF MATTER: AN ACIDIC EXTRACT OF A SUBSTANCE CHOSEN FROM THE GROUP CONSISTING OF LOW GRADE COAL, LIGNITE AND PEAT, SAID EXTRACT BEING OBTAINED BY COOKING A MIXTURE OF SAID SUBSTANCE WITH WATER AT A TEMPERTURE OF FROM ABOUT THE BOILING POINT OF SAID MIXTURE AT ATMOSPHERIC PRESSURE TO ABOUT 350* F.
Claim 3
Dependent Claim
100 words
A PROCESS OF COATING ALUMINUM AND ALUMINUM ALLOY ARTICLES WITH A HARD AND TOUGH COATING OF OXIDE OF ALUMINUM WHICH COMPRISES PASSING AN ELECTRIC CURRENT THROUGH AN ELECTROLYTIC CELL WITH SAID ARTICLE FORMING THE ANODE, AND CONTAINING AN ELECTROLYTE CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF AN ELECTRO-ANODIZING ACID AND AN ACIDIC EXTRACT OF A SUBSTANCE CHOSEN FROM THE GROUP CONSISTING OF LOW GRADE COAL, LIGNITE AND PEAT, SAID EXTRACT BEING OBTAINED BY COOKING A MIXTURE OF SAID SUBSTANCE WITH WATER AT A TEMPERATURE OF FROM ABOUT THE BOILING POINT OF SAID MIXTURE AT ATMOSPHERIC PRESSURE TO ABOUT 350* F.
Claim 4
Dependent Claim
100 words
A PROCESS OF COATING ALUMINUM AND ALUMINUM ALLOY ARTICLES WITH A HARD AND TOUGH COATING OF OXIDE OF ALUMINUM WHICH COMPRISES PASSING AN ELECTRIC CURRENT THROUGH AN ELECTROLYTIC CELL WITH SAID ARTICLE FORMING THE ANODE, AND CONTAINING AN ELECTROLYTE CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF AN ELECTRO-ANODIZING ACID AND AN ACIDIC EXTRACT OF A SUBSTANCE CHOSEN FROM THE GROUP CONSISTING OF LOW GRADE COAL, LIGNITE AND PEAT, SAID EXTRACT BEING OBTAINED BY COOKING A MIXTURE OF SAID SUBSTANCE WITH WATER AT A TEMPERATURE OF FROM ABOUT THE BOILING POINT OF SAID MIXTURE AT ATMOSPHERIC PRESSURE TO ABOUT 350* F.
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) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |