US2715765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot working vanadium
Assignee: Union Carbide Corp
•
Filing: 1952-08-06
•
Granted: 1955-08-23
•
Expires: 1972-08-06
Abstract
No abstract record available.
Inventors
- 👤 Charles M Brown
- 👤 Arthur E Shrubsall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:41
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/16; C22F1/18; C22B; C22B34/00; C22B34/20; C22B34/22; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN THE HOT WORKING OF METALLIC VANADIUM AND VANADIUM-BASE ALLOYS THE IMPROVEMENT WHICH COMPRISES APPLYING A MOLTEN FLUX COATING TO THE METAL TO BE WROUGHT, SUCH FLUX COMPRISING A MIXTURE OF THE OXIDES OF SODIUM, BORON, AND SILICON AND HAVING A MELTING POINT IN THE RANGE OF 600* C. TO 1200* C., WORKING SUCH METAL IN THE RANGE 600* C. TO 1200* C. WHILE IT IS COATED WITH SUCH FLUX, COOLING THE METAL SO WROUGHT, AND REMOVING THE FLUX COATING THEREFROM.
Claim 2
Dependent Claim
81 words
IN THE HOT WORKING OF METALLIC VANADIUM AND VANADIUM-BASE ALLOYS THE IMPROVEMENT WHICH COMPRISES APPLYING A MOLTEN FLUX COATING TO THE METAL TO BE WROUGHT, SUCH FLUX COMPRISING A MIXTURE OF THE OXIDES OF SODIUM, BORON, AND SILICON AND HAVING A MELTING POINT IN THE RANGE OF 600* C. TO 1200* C., WORKING SUCH METAL IN THE RANGE 600* C. TO 1200* C. WHILE IT IS COATED WITH SUCH FLUX, COOLING THE METAL SO WROUGHT, AND REMOVING THE FLUX COATING THEREFROM.
References Cited (Backward Citations)
US392468A
Cited
US2172533A
Cited
US2040283A
Cited
US2053408A
Cited
US2400866A
Cited
US2570748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |