US2513745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal detector
Assignee: RCA Corp
•
Filing: 1944-12-13
•
Granted: 1950-07-04
•
Expires: 1964-12-13
Abstract
No abstract record available.
Inventors
- 👤 James H Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:53
CPC Classifications
G; G01; G01V; G01V3/00; G01V3/08; G01V3/10; G01V3/104; G01V3/105; G01V3/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE21003E
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US1792249A
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US2057835A
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US2102450A
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US2147746A
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US2087783A
Cited
US2189092A
Cited
US2237254A
Cited
US2155267A
Cited
US2315045A
Cited
US2377363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |