US2934480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Titanium coating and method of forming same
Assignee: Rohr Inc
•
Filing: 1953-08-14
•
Granted: 1960-04-26
•
Expires: 1973-08-14
Abstract
No abstract record available.
Inventors
- 👤 George W Slomin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:01
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/02; C25D11/26; Y; Y10; Y10S; Y10S29/00; Y10S29/045; Y10S411/00; Y10S411/90; Y10S411/901; Y10S411/914; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49705; Y10T29/4981; Y10T29/49812; Y10T29/49826; Y10T29/49885
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
THE STEPS PREPARATORY TO PRESSING A SHEET OF TITANIUM AGAINST A CURVED DUE TO CONFORM THE SHEET TO THE DIE WHICH COMPRISE, DISSOLVING SODIUM FLUORIDE AND A HYDROXIDE OF A METAL OF THE GROUP CONSISTING OF SODIUM AND POTASSIUM IN WATER TO PROVIDE AN ALKALINE AQUEOUS ANODIZING SOLUYTION CONSISTING ESSENTIALLY OF WATER, SODIUM FLUORIDE AND A HYDROXIDE OF A METAL OF THE GROUP CONSISTING OF SODIUM AND POTASSIUM, IMMERSING THE SHEET AND A METAL CATHODE IN SAID SOLUTION, APPLYING AN ELECTRIC POTENTIAL WITHIN THE RANGE OF 35 TO 40 VOLTS BETWEEN THE SHEET AND CHATHODE FOR A TIME LONG ENOUGH TO FORM A LIGHT BLUE NON-POROUS ADHERENT COATING WHICH COVERS THE ENTIRE SHEET, REMOVING THE COATED SHEET FROM SAID SOLUTION, RINSING THE COATED SHEET IN WATER, AND HEATING THE COATED SHEET TO A TEMPERATURE ABOVE 400*F., SAID LIGHT BLUE COATING REMAINING SECURELY ATTACHED TO THE TITANIUM AS THE SHEET IS HEATED.
Claim 2
Dependent Claim
151 words
THE STEPS PREPARATORY TO PRESSING A SHEET OF TITANIUM AGAINST A CURVED DUE TO CONFORM THE SHEET TO THE DIE WHICH COMPRISE, DISSOLVING SODIUM FLUORIDE AND A HYDROXIDE OF A METAL OF THE GROUP CONSISTING OF SODIUM AND POTASSIUM IN WATER TO PROVIDE AN ALKALINE AQUEOUS ANODIZING SOLUYTION CONSISTING ESSENTIALLY OF WATER, SODIUM FLUORIDE AND A HYDROXIDE OF A METAL OF THE GROUP CONSISTING OF SODIUM AND POTASSIUM, IMMERSING THE SHEET AND A METAL CATHODE IN SAID SOLUTION, APPLYING AN ELECTRIC POTENTIAL WITHIN THE RANGE OF 35 TO 40 VOLTS BETWEEN THE SHEET AND CHATHODE FOR A TIME LONG ENOUGH TO FORM A LIGHT BLUE NON-POROUS ADHERENT COATING WHICH COVERS THE ENTIRE SHEET, REMOVING THE COATED SHEET FROM SAID SOLUTION, RINSING THE COATED SHEET IN WATER, AND HEATING THE COATED SHEET TO A TEMPERATURE ABOVE 400*F., SAID LIGHT BLUE COATING REMAINING SECURELY ATTACHED TO THE TITANIUM AS THE SHEET IS HEATED.
References Cited (Backward Citations)
US2036740A
Cited
GB455077A
Cited
US2202773A
Cited
US2469015A
Cited
US2433457A
Cited
US2615840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |