US2734837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface treatment of titanium or
Assignee: —
•
Filing: 1954-09-27
•
Granted: 1956-02-14
•
Expires: 1974-09-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:45
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/34; C25D5/38; C23; C23G; C23G1/00; C23G1/02; C23G1/10; C23G1/106; G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/408; H; H03; H03M; H03M1/00; H03M1/12; H03M1/22; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
METHOD OF SURFACE TREATMENT OF TITANIUM OF TITANIUM BASE ALLOY ARTICLES PRIOR TO DEPOSITION OF A COATING METAL THEREON, WHICH COMPRISES TREATING THE SURFACE OF THE SAID ARTICLES WITH CONCENTRATED HYDROCHLORIC ACID SOLUTION AT A TEMPERATURE BETWEEN 90* C. AND THE BOILING POINT OF SAID SOLUTION
Claim 2
Dependent Claim
46 words
METHOD OF SURFACE TREATMENT OF TITANIUM OF TITANIUM BASE ALLOY ARTICLES PRIOR TO DEPOSITION OF A COATING METAL THEREON, WHICH COMPRISES TREATING THE SURFACE OF THE SAID ARTICLES WITH CONCENTRATED HYDROCHLORIC ACID SOLUTION AT A TEMPERATURE BETWEEN 90* C. AND THE BOILING POINT OF SAID SOLUTION
References Cited (Backward Citations)
US2697051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-13 | 1959-08-15 | 1960-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-13 | 1963-08-15 | 1964-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-13 | 1967-08-15 | 1968-02-14 | $7700.00 | Window Closed / Lapsed |