Patent US2393541A successfully refreshed from Google Patents.
US2393541A
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Composition adapted for inductive heating and method for using same
Assignee: Induction Heating Corp
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Filing: 1943-05-21
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Granted: 1946-01-22
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Expires: 1963-05-21
Abstract
No abstract record available.
Inventors
- 👤 Kohler Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:15
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/76; B29C65/02; B29C65/34; B29C65/36; B29C65/3604; B29C65/3608; B29C65/3612; B29C65/3616; B29C65/3672; B29C65/3676; B29C65/368; B29C65/48; B29C65/4805; B29C65/483; B29C65/4835; B29C65/4855; B29C65/4865; B29C65/487; B29C65/4875; B29C65/4885; B29C65/489; B29C66/00; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91411; B29C66/91431; B29C66/9161; B29C66/91651; B29C65/481; B29C65/4815; B29C66/919; B29C66/94; B29C66/949; Y; Y10; Y10S; Y10S428/00; Y10S428/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-01-21 | 1949-07-23 | 1950-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-01-21 | 1953-07-23 | 1954-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-01-21 | 1957-07-23 | 1958-01-22 | $7700.00 | Window Closed / Lapsed |