US2650092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic separator for sheet feeding apparatus
Assignee: CASPERS TIN PLATE Co
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Filing: 1948-11-23
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Granted: 1953-08-25
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Expires: 1968-11-23
Abstract
No abstract record available.
Inventors
- 👤 Lloyd W Wall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:55
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/20; B21D43/24; B65; B65H; B65H3/00; B65H3/08; B65H3/0808; B65H3/0816; B65H2301/00; B65H2301/50; B65H2301/51; B65H2301/513; B65H2301/5131; B65H2701/00; B65H2701/10; B65H2701/17; B65H2701/173; B65H3/46
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) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |