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US2663262A
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Centrifugal pump with sealing device
Assignee: Jonkopings Mekaniska Werkstads AB
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Filing: 1948-02-19
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Granted: 1953-12-22
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Expires: 1968-02-19
Abstract
No abstract record available.
Inventors
- 👤 Malmvik Elof
- 👤 Duner Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:41
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/18; F04D29/22; F04D29/2261; F04D29/2266
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1806929A
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US1346926A
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US1732761A
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US1634246A
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US1715597A
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US1810297A
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US1824863A
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US2127865A
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US2376744A
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US2350448A
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US2381823A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |