US2716079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat treatment of metal
Assignee: Bethlehem Steel Corp
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Filing: 1949-10-11
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Granted: 1955-08-23
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Expires: 1969-10-11
Abstract
No abstract record available.
Inventors
- 👤 Richard M Wick
- 👤 Stewart H Jones
- 👤 Samuel W Mcclemens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:46
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C21D9/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
IN A METHOD OF CONTINUOUSLY HEAT TREATING METAL WIRE OR THE LIKE BY PASSING A HEATING CURRENT OF ELECTRICITY THERETHROUGH, THE STEPS COMPRISING PASSING SAID WIRE PAST A FIRST MOLTEN METAL CONTACT, THEREAFTER PASSING SAID WIRE PAST A SECOND MOLTEN METAL CONTACT AND THEN AGAIN PASSING SAID WIRE PAST SAID FIRST MOLTEN METAL CONTACT, SAID FIRST MOLTEN METAL CONTACT BEING AT GROUND POTENTIAL AND SAID SECOND MOLTEN METAL CONTACT BEING AT OPERATING POTENTIAL.
Claim 2
Dependent Claim
73 words
IN A METHOD OF CONTINUOUSLY HEAT TREATING METAL WIRE OR THE LIKE BY PASSING A HEATING CURRENT OF ELECTRICITY THERETHROUGH, THE STEPS COMPRISING PASSING SAID WIRE PAST A FIRST MOLTEN METAL CONTACT, THEREAFTER PASSING SAID WIRE PAST A SECOND MOLTEN METAL CONTACT AND THEN AGAIN PASSING SAID WIRE PAST SAID FIRST MOLTEN METAL CONTACT, SAID FIRST MOLTEN METAL CONTACT BEING AT GROUND POTENTIAL AND SAID SECOND MOLTEN METAL CONTACT BEING AT OPERATING POTENTIAL.
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) | 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 |