US2603160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid sealed centrifugal pump
Assignee: Individual
•
Filing: 1948-04-09
•
Granted: 1952-07-15
•
Expires: 1968-04-09
Abstract
No abstract record available.
Inventors
- 👤 Bour Harry E La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:28
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/08; F04D29/10; F04D29/106; F04D29/18; F04D29/22; F04D29/2261; F04D29/2266
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1806929A
Cited
US1949428A
Cited
US2244397A
Cited
US2367032A
Cited
US2381823A
Cited
US2381824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |