US2822606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Titanium oxide rectifier and method for manufacturing same
Assignee: Individual
•
Filing: 1956-10-01
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Granted: 1958-02-11
•
Expires: 1976-10-01
Abstract
No abstract record available.
Inventors
- 👤 Yoshida Koji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:24
CPC Classifications
H; H10; H10P; H10P95/00; H10P95/80; H10D; H10D62/00; H10D62/80; H10D62/875; H10P10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A METHOD FOR MANUFACTURING A TITANIUM OXIDE RECTIFIER WHICH COMPRISES FORMING A LAYER OF TITANIUM OXIDE SEMI-CONDUCTOR ON A METALLIC TITANIUM PLATE, OXIDIZING THE SURFACE OF THE TITANIUM OXIDE SEMI-CONDUCTOR IN FUSED SALT OR SALTS TO FORM A THIN FILM OR LAYER OXIDIZED TO A GREATER EXTENT, AND FIXING A COUNTER ELECTRODE ON SAID LAST MENTIONED FILM OR LAYER.
Claim 2
Independent Claim
59 words
A METHOD FOR MANUFACTURING A TITANIUM OXIDE RECTIFIER WHICH COMPRISES FORMING A LAYER OF TITANIUM OXIDE SEMI-CONDUCTOR ON A METALLIC TITANIUM PLATE, OXIDIZING THE SURFACE OF THE TITANIUM OXIDE SEMI-CONDUCTOR IN FUSED SALT OR SALTS TO FORM A THIN FILM OR LAYER OXIDIZED TO A GREATER EXTENT, AND FIXING A COUNTER ELECTRODE ON SAID LAST MENTIONED FILM OR LAYER.
References Cited (Backward Citations)
US2749596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |