US3301991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inductor for heating the ends of elongated stock
Assignee: Deutsche Edelstahlwerke AG
•
Filing: 1964-06-03
•
Granted: 1967-01-31
•
Expires: 1984-06-03
Abstract
No abstract record available.
Inventors
- 👤 Geisel Herbert
- 👤 Springob Leonhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:28
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/10; H05B6/101; H05B6/103; H05B6/104
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
AN INDUCTOR FOR HEATING THE ENDS OF ELONGATED WORK SUCH AS BARS, RODS AND TUBES, COMPRISING CONDUCTORS IN THE FORM OF RECTANGULARLY MEANDERING LENGTHS FORMED AND ARRANGED IN TWO TIERS IN SUCH MANNER THAT PARALLEL OPPOSITE CROSS PORTIONS OF THE MEANDERING LENGTHS PASS THE CURRENT IN OPPOSITE DIRECTIONS AND TOGETHER FORM HEATING STATIONS EXTENDING LENGTHWISE OF SAID CROSS PORTIONS, SO THAT THE WORK CAN BE DISPLACED LATERALLY FROM ONE HEATING STATION TO ANOTHER.
Claim 2
Dependent Claim
73 words
AN INDUCTOR FOR HEATING THE ENDS OF ELONGATED WORK SUCH AS BARS, RODS AND TUBES, COMPRISING CONDUCTORS IN THE FORM OF RECTANGULARLY MEANDERING LENGTHS FORMED AND ARRANGED IN TWO TIERS IN SUCH MANNER THAT PARALLEL OPPOSITE CROSS PORTIONS OF THE MEANDERING LENGTHS PASS THE CURRENT IN OPPOSITE DIRECTIONS AND TOGETHER FORM HEATING STATIONS EXTENDING LENGTHWISE OF SAID CROSS PORTIONS, SO THAT THE WORK CAN BE DISPLACED LATERALLY FROM ONE HEATING STATION TO ANOTHER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |