Patent US2766697A successfully refreshed from Google Patents.
US2766697A
Expired / Lapsed
US
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Pump having radial intake and centrifugal discharge
Assignee: Individual
•
Filing: 1954-12-02
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Granted: 1956-10-16
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Expires: 1974-12-02
Abstract
No abstract record available.
Inventors
- 👤 Elroy F Judd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:01
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/18; F04D29/22; F04D29/2205; F04D29/2216
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US509143A
Cited
US860465A
Cited
US939136A
Cited
US1143082A
Cited
FR576267A
Cited
GB383594A
Cited
US2253406A
Cited
US2361007A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |