US3125959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pumping apparatus
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:37
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/4214; A47L15/4225; Y; Y10; Y10T; Y10T137/00; Y10T137/794
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
PUMPING APPARATUS, COMPRISING A CASING HAVING AN INTAKE AND A PLURALITY OF DISCHARGE PASSAGES, SAID DISCHARGE PASSAGES BEING ANGULARLY DISPLACED ONE FROM THE OTHER ON EQUAL RADII; A VALVE STRUCTURE WITHIN SAID CASING UPSTREAM OF SAID DISCHARGE PASSAGES, SAID STRUCTURE INCLUDING A BODY PORTION AND A CYLINDRICAL HUB PORTION SUPPORTING SAID BODY PORTION WITHIN SAID CASING FOR ROTATION RELATIVE THERETO; SAID BODY PORTION HAVING A PASSAGE SELECTIVELY REGISTRABLE WITH ANY ONE OF SAID DISCHARGE PASSAGES; MEANS ENGAGING WITH SAID SAID HUB PORTION TO ROTATE SAID VALVE STRUCTURE; FIXED STOP MEANS FOR LIMITING ROTATION OF SAID VALVE STRUCTURE TO BRING THE SAID BODY PORTION PASSAGE INTO REGISTRATION WITH ONE OF SAID CASING DISCHARGE PASSAGES; MOVABLE STOP MEANS FOR LIMITING ROTATION OF SAID VALVE STRUCTURE TO BRING THE SAID PASSAGE THEREOF OPTIONALLY INTO REGISTRY WITH ANOTHER OF SAID DISCHARGE PASSAGES; MEANS FOR SELECTIVELY ACTUATING SAID MOVABLE STOP MEANS BETWEEN OPERATING AND NON-OPERATING POSITIONS; MEANS FOR ENERGIZING SAID ROTATION MEANS; AND MEANS FOR EFFECTING TRANSLATION OF FLUID FROM SAID INTAKE THROUGH SAID BODY PORTION PASSAGE AND THE CASING PASSAGE IN REGISTRY THEREWITH.
Claim 2
Dependent Claim
179 words
PUMPING APPARATUS, COMPRISING A CASING HAVING AN INTAKE AND A PLURALITY OF DISCHARGE PASSAGES, SAID DISCHARGE PASSAGES BEING ANGULARLY DISPLACED ONE FROM THE OTHER ON EQUAL RADII; A VALVE STRUCTURE WITHIN SAID CASING UPSTREAM OF SAID DISCHARGE PASSAGES, SAID STRUCTURE INCLUDING A BODY PORTION AND A CYLINDRICAL HUB PORTION SUPPORTING SAID BODY PORTION WITHIN SAID CASING FOR ROTATION RELATIVE THERETO; SAID BODY PORTION HAVING A PASSAGE SELECTIVELY REGISTRABLE WITH ANY ONE OF SAID DISCHARGE PASSAGES; MEANS ENGAGING WITH SAID SAID HUB PORTION TO ROTATE SAID VALVE STRUCTURE; FIXED STOP MEANS FOR LIMITING ROTATION OF SAID VALVE STRUCTURE TO BRING THE SAID BODY PORTION PASSAGE INTO REGISTRATION WITH ONE OF SAID CASING DISCHARGE PASSAGES; MOVABLE STOP MEANS FOR LIMITING ROTATION OF SAID VALVE STRUCTURE TO BRING THE SAID PASSAGE THEREOF OPTIONALLY INTO REGISTRY WITH ANOTHER OF SAID DISCHARGE PASSAGES; MEANS FOR SELECTIVELY ACTUATING SAID MOVABLE STOP MEANS BETWEEN OPERATING AND NON-OPERATING POSITIONS; MEANS FOR ENERGIZING SAID ROTATION MEANS; AND MEANS FOR EFFECTING TRANSLATION OF FLUID FROM SAID INTAKE THROUGH SAID BODY PORTION PASSAGE AND THE CASING PASSAGE IN REGISTRY THEREWITH.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |