US2687994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming an oxide coating on tin
Assignee: Ekco Products Co
•
Filing: 1950-03-17
•
Granted: 1954-08-31
•
Expires: 1970-03-17
Abstract
No abstract record available.
Inventors
- 👤 Russell John James
- 👤 Headland Herbert Nestor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:42
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/02; C25D11/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN THE FORMATION OF A HEAT ADSORBING TIN OXIDE COATING ON A TIN ARTICLE, THE PROCESS WHICH COMPRISES MAKING THE ARTICLE THE ANODE IN AN ELECTROLYTE SOLUTION, PASSING CURRENT THROUGH SAID ELECTROLYTE SOLUTION TO FORM A FILM OXIDE COATING ON THE ARTICLE, REMOVING THE TIN ARTICLE FROM THE ELECTROLYTE SOLUTION, AND THEN SUBJECTING THE ANODIZE ARTICLE TO AN ELEVATED TEMPERATURE FROM ABOUT 190* C. TO 230* C. TO CONVERT SAID OXIDE TO GREEN OXIDE OF TIN.
Claim 2
Dependent Claim
76 words
IN THE FORMATION OF A HEAT ADSORBING TIN OXIDE COATING ON A TIN ARTICLE, THE PROCESS WHICH COMPRISES MAKING THE ARTICLE THE ANODE IN AN ELECTROLYTE SOLUTION, PASSING CURRENT THROUGH SAID ELECTROLYTE SOLUTION TO FORM A FILM OXIDE COATING ON THE ARTICLE, REMOVING THE TIN ARTICLE FROM THE ELECTROLYTE SOLUTION, AND THEN SUBJECTING THE ANODIZE ARTICLE TO AN ELEVATED TEMPERATURE FROM ABOUT 190* C. TO 230* C. TO CONVERT SAID OXIDE TO GREEN OXIDE OF TIN.
References Cited (Backward Citations)
GB416608A
Cited
US2059053A
Cited
US2215165A
Cited
US2333567A
Cited
US2312076A
Cited
US2529414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |