US3024174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic production of titanium plate
Assignee: Solar Aircraft Co
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Filing: 1958-12-24
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Granted: 1962-03-06
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Expires: 1978-12-24
Abstract
No abstract record available.
Inventors
- 👤 Alvin R Stetson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:55
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/66; C25C; C25C3/00; C25C3/26; C25C3/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
212 words
A PROCESS FOR PRODUCING A TITANIUM PLATE ON A METALLIC BASE WHICH COMPRISES: PROVIDING AN ELECTROLYTE CONSISTING ESSENTIALLY OF AT LEAST 50% BY WEIGHT OF AT LEAST ONE SALT FROM THE GROUP CONSISTING OF SODIUM FLUOTITANATE AND POTASSIUM FLUOTITANATE AND 0% TO 50% BY WEIGHT OF AT LEAST ONE SALT FROM THE GROUP CONSISTING OF SODIUM FLUORIDE, LITHIUM FLUORIDE, AND POTASSIUM FLUORIDE; HEATING SAID SALTS IN A NON-CONSUMABLE VESSEL OF AN ELECTRICALLY CONDUCTIVE MATERIAL TO DRY AND OUT-GAS SAID ELECTROLYTE, AND MAINTAINING SAID ELECTROLYTE AS A MELT AT A TEMPERATURE BETWEEN 1080*F. AND 1800*F.; IMMERSING AT LEAST A PORTION OF SAID METALLIC BASE IN SAID ELECTROLYTE; SHEILDING SAID ELECTROLYTE AND SAID METALLIC BASE FROM EXPOSURE TO THE ATMOSPHERE; AND PASSING AN ELECTRICAL CURRENT BETWEEN SAID VESSEL AND SAID METALLIC BASE THROUGH SAID ELECTROLYTE WITH SAID VESSEL SERVING AS A NON-CONSUMABLE ANODE AND SAID METALLIC BASE AS A CATHODE, AND MAINTAINING A CATHODE CURRENT DENSITY OF 0.1 TO 5.0 AMPERES PER SQUARE INCH OF IMMERSED CATHODE SURFACE WITH AN IMPRESSED VOLTAGE POTENTIAL IN EXCESS OF THE BREAKDOWN POTENTIAL OF THE ELECTROLYTE FOR A SUFFICIENT TIME TO DECOMPOSE SAID ELECTROLYTE AND FREE TITANIUM METAL THEREFROM AND CAUSE SAID FREED TITANIUM METAL TO FORM A PLATE COATING ON THE IMMERSED SURFACE OF SAID METALLIC BASE.
Claim 2
Dependent Claim
212 words
A PROCESS FOR PRODUCING A TITANIUM PLATE ON A METALLIC BASE WHICH COMPRISES: PROVIDING AN ELECTROLYTE CONSISTING ESSENTIALLY OF AT LEAST 50% BY WEIGHT OF AT LEAST ONE SALT FROM THE GROUP CONSISTING OF SODIUM FLUOTITANATE AND POTASSIUM FLUOTITANATE AND 0% TO 50% BY WEIGHT OF AT LEAST ONE SALT FROM THE GROUP CONSISTING OF SODIUM FLUORIDE, LITHIUM FLUORIDE, AND POTASSIUM FLUORIDE; HEATING SAID SALTS IN A NON-CONSUMABLE VESSEL OF AN ELECTRICALLY CONDUCTIVE MATERIAL TO DRY AND OUT-GAS SAID ELECTROLYTE, AND MAINTAINING SAID ELECTROLYTE AS A MELT AT A TEMPERATURE BETWEEN 1080*F. AND 1800*F.; IMMERSING AT LEAST A PORTION OF SAID METALLIC BASE IN SAID ELECTROLYTE; SHEILDING SAID ELECTROLYTE AND SAID METALLIC BASE FROM EXPOSURE TO THE ATMOSPHERE; AND PASSING AN ELECTRICAL CURRENT BETWEEN SAID VESSEL AND SAID METALLIC BASE THROUGH SAID ELECTROLYTE WITH SAID VESSEL SERVING AS A NON-CONSUMABLE ANODE AND SAID METALLIC BASE AS A CATHODE, AND MAINTAINING A CATHODE CURRENT DENSITY OF 0.1 TO 5.0 AMPERES PER SQUARE INCH OF IMMERSED CATHODE SURFACE WITH AN IMPRESSED VOLTAGE POTENTIAL IN EXCESS OF THE BREAKDOWN POTENTIAL OF THE ELECTROLYTE FOR A SUFFICIENT TIME TO DECOMPOSE SAID ELECTROLYTE AND FREE TITANIUM METAL THEREFROM AND CAUSE SAID FREED TITANIUM METAL TO FORM A PLATE COATING ON THE IMMERSED SURFACE OF SAID METALLIC BASE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |