US3562013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of deoxidizing titanium and its alloys
Assignee: Diversey Wyandotte Corp
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Filing: 1967-10-23
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Granted: 1971-02-09
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Expires: 1987-10-23
Abstract
Abstract A PROCESS OF DEOXIDIZING THE CLEANING TITANIUM AND TITANIUM-BASED ALLOY SURFACES USING A TREATMENT BATH CONTAINING NITRIC ACID, SULFURIC ACID AND A MATERIAL WHICH SUPPLIES THE ACID FLUORIDE ION. WATER AND PHOSPHORIC ACID CAN BE INCLUDED IN THE BATH.
Inventors
- 👤 Floyd Louis Mickelson
- 👤 Wilbert Joseph Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:10
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/02; C23G1/10; C23G1/106; C23F; C23F3/00; C23F3/04; C23F3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |