US2466812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-priming centrifugal pump
Assignee: Flowserve Corp
•
Filing: 1945-01-19
•
Granted: 1949-04-12
•
Expires: 1965-01-19
Abstract
No abstract record available.
Inventors
- 👤 Jacobsen Oystein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:06
CPC Classifications
F; F04; F04D; F04D9/00; F04D9/02; F04D9/004; F04D9/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1215881A
Cited
US1755217A
Cited
US2110883A
Cited
US2041586A
Cited
US2163951A
Cited
US2367032A
Cited
US2400434A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-11 | 1952-10-11 | 1953-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-11 | 1956-10-11 | 1957-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-11 | 1960-10-11 | 1961-04-12 | $7700.00 | Window Closed / Lapsed |