Patent US3013501A successfully refreshed from Google Patents.
US3013501A
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Centrifugal impeller
Assignee: Skoglund & Olson AB
•
Filing: 1956-12-27
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Granted: 1961-12-19
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Expires: 1976-12-27
Abstract
No abstract record available.
Inventors
- 👤 Ygge Nils Erik Torsten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:27
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/18; F04D29/22; F04D29/2205; F04D29/2211; F01; F01D; F01D5/00; F01D5/02; F01D5/04; F01D5/043; F01D5/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FI27752A
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US1503776A
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FR644600A
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GB345973A
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US1889816A
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US2240653A
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US2658455A
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US2547786A
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GB719248A
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US2827261A
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US2853019A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |