US3258573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding and forming method and apparatus
Assignee: Individual
•
Filing: 1963-06-13
•
Granted: 1966-06-28
•
Expires: 1983-06-13
Abstract
No abstract record available.
Inventors
- 👤 Theodore J Morin
- 👤 George R Peacock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:27
CPC Classifications
H; H05; H05B; H05B6/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN THE WELDING AND FORMING OF METAL PIECES THE METHOD WHICH COMPRISES THE STEPS OF FIXING THE WORK IN DESIRED POSITIONAL RELATION TO A WORK COIL, ENERGIZING THE WORK COIL WITH AN INDUCTION HEATER IN CONTROLLED MANNER TO RAISE THE WORK TO A PREDETERMINED TEMPERATURE, DETECTING THE RAISING OF THE TEMPERATURE OF THE WORK TO THE DESIRED LEVEL, DEVELOPING IN THE COIL A MAGNETIC FIELD CALCULATED BY ITS MECHANICAL PRESSURE TO PREDETERMINEDLY WORK THE PIECES, AND THEN COOLING THE PIECES
Claim 2
Dependent Claim
80 words
IN THE WELDING AND FORMING OF METAL PIECES THE METHOD WHICH COMPRISES THE STEPS OF FIXING THE WORK IN DESIRED POSITIONAL RELATION TO A WORK COIL, ENERGIZING THE WORK COIL WITH AN INDUCTION HEATER IN CONTROLLED MANNER TO RAISE THE WORK TO A PREDETERMINED TEMPERATURE, DETECTING THE RAISING OF THE TEMPERATURE OF THE WORK TO THE DESIRED LEVEL, DEVELOPING IN THE COIL A MAGNETIC FIELD CALCULATED BY ITS MECHANICAL PRESSURE TO PREDETERMINEDLY WORK THE PIECES, AND THEN COOLING THE PIECES
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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |