US3014116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic heater
Assignee: Individual
•
Filing: 1960-06-20
•
Granted: 1961-12-19
•
Expires: 1980-06-20
Abstract
No abstract record available.
Inventors
- 👤 Macarthur Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:08
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/10; H05B6/105; H05B6/109; B; B60; B60H; B60H1/00; B60H1/00457; B60H1/00464; F; F04; F04D; F04D29/00; F04D29/58; F04D29/582; F24; F24H; F24H3/00; F24H3/02; F24H3/04; F24H3/0405; H05B6/108
Claims Analysis
Total Claims: 0
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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) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |