US2858018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic core sorting device
Assignee: TELEMETER MAGNETICS AND ELECTR
•
Filing: 1954-09-02
•
Granted: 1958-10-28
•
Expires: 1974-09-02
Abstract
No abstract record available.
Inventors
- 👤 Alexander Matthew Arnold
- 👤 Stanavige Benedict
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:32
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/34; B07C5/344; Y; Y10; Y10S; Y10S209/00; Y10S209/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1572809A
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US1657036A
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US1946307A
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US2244647A
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US2468843A
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US2647628A
Cited
US2796986A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |