US2943031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodes and methods of making same
Assignee: RCA Corp
•
Filing: 1958-11-03
•
Granted: 1960-06-28
•
Expires: 1978-11-03
Abstract
No abstract record available.
Inventors
- 👤 Wainer Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:55
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/0029; H01G9/0032; H01B; H01B1/00; H01B1/06; H01B1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A METHOD OF MAKING AN ELECTRODE COMPRISING ELECTROLYZING A TITANIUM SURFACE ANODICALLY IN AN OXIDIZING ACIDIC SOLUTION TO FORM A FILM OF ANATASE ON SAID SURFACE, AND SUBSEQUENTLY HEATING SAID SURFACE AND SAID FILM IN AN ATMOSPHERE, INERT WITH RESPECT TO SAID SURFACE, AT 700*C.-1100*C. THEREBY TO CONVERT SAID ANATASE FILM TO RUTILE.
Claim 2
Independent Claim
53 words
A METHOD OF MAKING AN ELECTRODE COMPRISING ELECTROLYZING A TITANIUM SURFACE ANODICALLY IN AN OXIDIZING ACIDIC SOLUTION TO FORM A FILM OF ANATASE ON SAID SURFACE, AND SUBSEQUENTLY HEATING SAID SURFACE AND SAID FILM IN AN ATMOSPHERE, INERT WITH RESPECT TO SAID SURFACE, AT 700*C.-1100*C. THEREBY TO CONVERT SAID ANATASE FILM TO RUTILE.
References Cited (Backward Citations)
US2504178A
Cited
US2874102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |