US3056876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and a device for inductive heating of work pieces
Assignee: US Philips Corp
•
Filing: 1958-12-05
•
Granted: 1962-10-02
•
Expires: 1978-12-05
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:36
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/10; H05B6/101; H05B6/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22322E
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US2422417A
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US2590546A
Cited
US2632841A
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US2669647A
Cited
FR1163642A
Cited
US2905797A
Cited
US2876325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |