US2419146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Booster pump with vapor separating means
Assignee: CURTIS PUMP CO
•
Filing: 1944-06-19
•
Granted: 1947-04-15
•
Expires: 1964-06-19
Abstract
No abstract record available.
Inventors
- 👤 Ewald J Kimm
- 👤 Bernard R Bellmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:40
CPC Classifications
F; F02; F02M; F02M37/00; F02M37/20; F02M37/04; F02M37/08; F02M37/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE378906C
Cited
US2357482A
Cited
US2306297A
Cited
US2306298A
Cited
US2340166A
Cited
US2357483A
Cited
US2370778A
Cited
US2382412A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-14 | 1950-10-14 | 1951-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-14 | 1954-10-14 | 1955-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-14 | 1958-10-14 | 1959-04-15 | $7700.00 | Window Closed / Lapsed |