US2473477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic induction device
Assignee: Raytheon Co
•
Filing: 1946-07-24
•
Granted: 1949-06-14
•
Expires: 1966-07-24
Abstract
No abstract record available.
Inventors
- 👤 Charles G Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:38
CPC Classifications
H; H05; H05H; H05H11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1948384A
Cited
US2103303A
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US2096817A
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US2084476A
Cited
US2242888A
Cited
US2193602A
Cited
US2299792A
Cited
US2331788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |