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US2789641A
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Multiple parting-off tool
Assignee: SIMPLEX PISTON RING Manufacturing Co
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Filing: 1954-11-30
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Granted: 1957-04-23
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Expires: 1974-11-30
Abstract
No abstract record available.
Inventors
- 👤 Dean M Solenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:21
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/24; B23B2220/00; B23B2220/12; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2208; Y10T407/25; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2541; Y10T82/2543; Y10T82/2585
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US662492A
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US745976A
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US966658A
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US1694560A
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US2289155A
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US2363160A
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US2475049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-22 | 1960-10-22 | 1961-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-22 | 1964-10-22 | 1965-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-22 | 1968-10-22 | 1969-04-23 | $7700.00 | Window Closed / Lapsed |