US2775945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sand resistant pump
Assignee: Reda Pump Co
•
Filing: 1953-08-27
•
Granted: 1957-01-01
•
Expires: 1973-08-27
Abstract
No abstract record available.
Inventors
- 👤 Arutunoff Armais
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:34
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/74; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/08; F04D13/10; F16C17/00; F16C17/04; F16C2360/00; F16C2360/44; Y; Y10; Y10S; Y10S415/00; Y10S415/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US979634A
Cited
US1090073A
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US1037243A
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US2078783A
Cited
US2108786A
Cited
US2270666A
Cited
US2319730A
Cited
US2571672A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |