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US2537084A
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Fabricated centrifugal pump
Assignee: MORRIS MACHINE WORKS
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Filing: 1948-09-04
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Granted: 1951-01-09
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Expires: 1968-09-04
Abstract
No abstract record available.
Inventors
- 👤 William H Pfarrer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:12
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/18; F04D29/22; F04D29/2261; F04D29/2294; F04D29/40; F04D29/42; F04D29/426; F04D29/4286
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US721207A
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US885108A
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US1489571A
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US1705200A
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US1978359A
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US2029333A
Cited
GB426523A
Cited
US2166436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |