US2754104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for heating ingots
Assignee: Selas Corp of America
•
Filing: 1951-10-05
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Granted: 1956-07-10
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Expires: 1971-10-05
Abstract
No abstract record available.
Inventors
- 👤 Frederic O Hess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:30
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/70
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
THE METHOD OF HEATING INGOTS WHICH COMPRISES SUSPENDING THE INGOTS FREELY FROM AN OVERHEAD CONVEYOR AND MOVING THEM SINGLE FILE THROUGH A PATH ON THE CONVEYOR WHILE THEY ARE STILL SUSPENDED FROM THE POINT WHERE THEY ARE STRIPPED FROM THE MOLDS TO A POINT WHERE WORK IS DONE ON THEM, TREATING THE INGOTS AT A FIRST LOCATION IN THE PATH WITH HEAT APPLIED EQUALLY FROM OPPOSITE SIDES TO EQUALIZE THE TEMPERATURE OF THE INGOT THROUGHOUT AND BRING TIS TEMPERATURE TO WITHIN A PREDETERMINED RANGE, AND TREATING THE INGOT AT A SECOND LOCATION IN THE PATH WITH HEAT APPLIES EQUALLY FROM OPPOSITE SIDES TO RAISE ITS TEMPERATURE FROM SAID PREDETERMINED RANGE TO A DESIRED WORKING TEMPERATURE.
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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) | 1959-07-10 | 1960-01-09 | 1960-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-10 | 1964-01-09 | 1964-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-10 | 1968-01-09 | 1968-07-10 | $7700.00 | Window Closed / Lapsed |