US2767112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of rolling molybdenum and molybdenum alloys
Assignee: Individual
•
Filing: 1953-06-24
•
Granted: 1956-10-16
•
Expires: 1973-06-24
Abstract
No abstract record available.
Inventors
- 👤 Edgar S Byron
- 👤 Robert F Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:44
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/16; C22F1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
THE PROCESS OF WORKING INGOTS OF MOLYBDENUM AND MOLYBDENUM-COBALT ALLOYS CONTAINING A MAJOR PROPORTION OF MOLYBDENUM WHICH COMPRISES REDUCING THE CROSS-SECTIONAL AREA OF THE INGOT BY APPROXIMATELY 56% ACCORDING TO THE FOLLOWING SCHEDULE: (1) ROLLING BETWEEN 14201480* C. TO REDUCE THE CROSS-SECTIONAL AREA TO APPROXIMATELY 88% OF THE ORIGINAL CROSS-SECTIONAL AREA, (2) REROLLING WITHOUT REHEATING TO REDUCE THE CROSS-SECTIONAL AREA TO APPROXIMATELY 79% OF THE ORIGINAL CROSS-SECTIONAL AREA, (3) ANNEALING BY HEATING FOR FIVE MINUTES AT A TEMPERATURE BETWEEN ABOUT 1350* C. AND 1400* C., (4) ROLLING BETWEEN 1370-1420* C. TO REDUCE THE CROSS-SECTIONAL AREA TO APPROXIMATELY 69% OF THE ORIGINAL CROSS-SECTIONAL AREA, (5) REROLLING WITHOUT REHEATING TO REDUCE THE CROSSSECTIONAL AREA TO APPROXIMATELY 59% OF THE ORIGINAL CROSSSECTIONAL AREA, (6) ANNEALING BY HEATING FOR 21/2 MINUTES AT A TEMPERATURE OF BETWEEN ABOUT 1300* C. AND 1350* C., (7) ROLLING BETWEEN 1340-1370* C. TO REDUCE THE CROSS-SECTIONAL AREA TO APPROXIMATELY 51% OF THE ORIGINAL CROSS-SECTIONAL AREA AND (8) REROLLING WITHOUT REHEATING TO REDUCE THE CROSS-SECTIONAL AREA TO APPROXIMATELY 44% OF THE ORIGINAL CROSS-SECTIONAL AREA.
Claim 2
Dependent Claim
174 words
THE PROCESS OF WORKING INGOTS OF MOLYBDENUM AND MOLYBDENUM-COBALT ALLOYS CONTAINING A MAJOR PROPORTION OF MOLYBDENUM WHICH COMPRISES REDUCING THE CROSS-SECTIONAL AREA OF THE INGOT BY APPROXIMATELY 56% ACCORDING TO THE FOLLOWING SCHEDULE: (1) ROLLING BETWEEN 14201480* C. TO REDUCE THE CROSS-SECTIONAL AREA TO APPROXIMATELY 88% OF THE ORIGINAL CROSS-SECTIONAL AREA, (2) REROLLING WITHOUT REHEATING TO REDUCE THE CROSS-SECTIONAL AREA TO APPROXIMATELY 79% OF THE ORIGINAL CROSS-SECTIONAL AREA, (3) ANNEALING BY HEATING FOR FIVE MINUTES AT A TEMPERATURE BETWEEN ABOUT 1350* C. AND 1400* C., (4) ROLLING BETWEEN 1370-1420* C. TO REDUCE THE CROSS-SECTIONAL AREA TO APPROXIMATELY 69% OF THE ORIGINAL CROSS-SECTIONAL AREA, (5) REROLLING WITHOUT REHEATING TO REDUCE THE CROSSSECTIONAL AREA TO APPROXIMATELY 59% OF THE ORIGINAL CROSSSECTIONAL AREA, (6) ANNEALING BY HEATING FOR 21/2 MINUTES AT A TEMPERATURE OF BETWEEN ABOUT 1300* C. AND 1350* C., (7) ROLLING BETWEEN 1340-1370* C. TO REDUCE THE CROSS-SECTIONAL AREA TO APPROXIMATELY 51% OF THE ORIGINAL CROSS-SECTIONAL AREA AND (8) REROLLING WITHOUT REHEATING TO REDUCE THE CROSS-SECTIONAL AREA TO APPROXIMATELY 44% OF THE ORIGINAL CROSS-SECTIONAL AREA.
References Cited (Backward Citations)
GB114282A
Cited
US2666721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |