US2748240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Induction heating systems
Assignee: MAGNETHERMIC Corp
•
Filing: 1952-07-29
•
Granted: 1956-05-29
•
Expires: 1972-07-29
Abstract
No abstract record available.
Inventors
- 👤 Bruce E Mcarthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:41
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/06; H05B6/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CH71733A
Cited
US1842967A
Cited
US1870619A
Cited
US1943802A
Cited
US1981630A
Cited
US1981631A
Cited
US2229680A
Cited
US2604577A
Cited
US2572073A
Cited
US2623081A
Cited
US2618734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |