Patent US2969742A successfully refreshed from Google Patents.
US2969742A
Expired / Lapsed
US
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Gas separator for submergible motorpump assemblies
Assignee: Reda Pump Co
•
Filing: 1958-07-18
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Granted: 1961-01-31
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Expires: 1978-07-18
Abstract
No abstract record available.
Inventors
- 👤 Arutunoff Armais
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:46
CPC Classifications
F; F04; F04D; F04D9/00; F04D9/001; F04D9/002; F04D9/003; E; E21; E21B; E21B43/00; E21B43/34; E21B43/38; F04D9/04; Y; Y10; Y10S; Y10S415/00; Y10S415/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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DE739007C
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US2491587A
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US2517198A
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US2648286A
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US2670686A
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US2737897A
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US2816509A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |