US2684033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal pump
Assignee: BARNES Manufacturing CO
•
Filing: 1949-12-30
•
Granted: 1954-07-20
•
Expires: 1969-12-30
Abstract
No abstract record available.
Inventors
- 👤 Horace M Montgomery
- 👤 Edward M Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:54
CPC Classifications
F; F04; F04D; F04D1/00; F04D1/04; F04D29/00; F04D29/08; F04D29/10; F04D29/12; F04D29/126; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1621272A
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US1328061A
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US2047329A
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US2292125A
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US2382839A
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US2517233A
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US2508678A
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US2464936A
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US2509436A
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US2570862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |