US2970548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetically driven pump
Assignee: Pumpindustri AB
•
Filing: 1958-06-23
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Granted: 1961-02-07
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Expires: 1978-06-23
Abstract
No abstract record available.
Inventors
- 👤 Berner Sven Gustav Vilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:37
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/10; H02K49/104; H02K49/106; F; F04; F04D; F04D13/00; F04D13/02; F04D13/021; F04D13/024; F04D13/027; H02K5/00; H02K5/04; H02K5/12; H02K5/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2463409A
Cited
GB564305A
Cited
US2366562A
Cited
US2373609A
Cited
US2444687A
Cited
US2810349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |