US3126831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor-pump unit
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:05
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/08; F04D13/10; Y; Y10; Y10S; Y10S415/00; Y10S415/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A SUBMERSIBLE MOTOR-PUMP UNIT COMPRISING A ONEPIECE TUBULAR SHELL DEFINING AN ENCLOSURE FOR THE MOTOR AND PUMP, A MOTOR INCLUDING A STATOR ASSEMBLY IN SAID SHELL DIMENSIONED FOR AXIAL INSERTION AND REMOVAL THEREFROM AND DEFINING A FLOW PASSAGE BETWEEN THE STATOR AND SHELL, A ROTOR IN SAID STATOR AND A SHAFT ON SAID ROTOR, A PUMP INCLUDING A PUMP CASING IN SAID SHELL DIMENSIONED FOR AXIAL INSERTION AND REMOVAL THEREFROM AND ENGAGEABLE WITH ONE END OF THE STATOR ASSEMBLY, SAID CASING HAVING AN INLET ADJACENT ONE END OF THE SHELL AND AN OUTLET COMMUNICATION WITH SAID FLOW PASSAGE BETWEEN THE SHELL AND STATOR, IMPELLER MEANS ON THE ROTOR SHAFT FOR PUMPING LIQUID FROM SAID INLET TO SAID PUMP OUTLET, MEANS ENGAGING THE STATOR ASSEMBLY FOR ANCHORING THE STATOR ASSEM-
Claim 2
Dependent Claim
129 words
A SUBMERSIBLE MOTOR-PUMP UNIT COMPRISING A ONEPIECE TUBULAR SHELL DEFINING AN ENCLOSURE FOR THE MOTOR AND PUMP, A MOTOR INCLUDING A STATOR ASSEMBLY IN SAID SHELL DIMENSIONED FOR AXIAL INSERTION AND REMOVAL THEREFROM AND DEFINING A FLOW PASSAGE BETWEEN THE STATOR AND SHELL, A ROTOR IN SAID STATOR AND A SHAFT ON SAID ROTOR, A PUMP INCLUDING A PUMP CASING IN SAID SHELL DIMENSIONED FOR AXIAL INSERTION AND REMOVAL THEREFROM AND ENGAGEABLE WITH ONE END OF THE STATOR ASSEMBLY, SAID CASING HAVING AN INLET ADJACENT ONE END OF THE SHELL AND AN OUTLET COMMUNICATION WITH SAID FLOW PASSAGE BETWEEN THE SHELL AND STATOR, IMPELLER MEANS ON THE ROTOR SHAFT FOR PUMPING LIQUID FROM SAID INLET TO SAID PUMP OUTLET, MEANS ENGAGING THE STATOR ASSEMBLY FOR ANCHORING THE STATOR ASSEM-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |