US2519941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Installation for the measurement and the control of the temperature in a metal melting and particularly in a submerged resistor type induction furnace
Assignee: Ajax Engineering Corp
•
Filing: 1947-05-27
•
Granted: 1950-08-22
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Expires: 1967-05-27
Abstract
No abstract record available.
Inventors
- 👤 Tama Mario
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:25
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/02; G01K7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22602E
Cited
US764592A
Cited
CH98312A
Cited
US2071531A
Cited
US2102955A
Cited
US2303704A
Cited
US2358090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |