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US2190670A
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Centrifugal pump
Assignee: Goulds Pumps Inc
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Filing: 1937-07-09
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Granted: 1940-02-20
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Expires: 1957-07-09
Abstract
No abstract record available.
Inventors
- 👤 Mann John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:14
CPC Classifications
F; F04; F04D; F04D15/00; F04D15/0027; F04D29/00; F04D29/08; F04D29/16; F04D29/165; F04D29/167; F04D29/40; F04D29/42; F04D29/426; F04D29/428
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-02-19 | 1943-08-21 | 1944-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-02-19 | 1947-08-21 | 1948-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-02-19 | 1951-08-21 | 1952-02-20 | $7700.00 | Window Closed / Lapsed |