US2951449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal pump
Assignee: ITT Bell and Gossett Inc
•
Filing: 1957-07-30
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Granted: 1960-09-06
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Expires: 1977-07-30
Abstract
No abstract record available.
Inventors
- 👤 Jr James P Van Blarcom
- 👤 Joseph L Gatto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:22
CPC Classifications
F; F04; F04D; F04D7/00; F04D7/02; F04D7/04; F04D9/00; F04D9/004; F04D9/005; F04D9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |