US3076336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow meter for checking the efficiency of hydraulic installations
Assignee: Rosaen Filter Co
•
Filing: 1960-06-01
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Granted: 1963-02-05
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Expires: 1980-06-01
Abstract
No abstract record available.
Inventors
- 👤 Nils O Rosaen
- 👤 Oscar E Rosaen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:02
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/20; G01F1/28; B; B01; B01D; B01D35/00; B01D35/14; B01D35/143; B01D35/147
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A RATE OF FLOW METER ADAPTED FOR USE IN A FILTER HOUSING OF THE AXIALLY MOVABLE FILTER CARTRIDGE TYPE PROVIDED WITH AN INTERIORLY FORMED CYLINDER AT THE OUTLET END OF SAID HOUSING THE OPPOSITE END BEING OPEN FOR THE RECEPTION OF THE FILTER CARTRIDGE, SAID HOUSING HAVING MEANS FOR INDICATING MOVEMENT OF SAID CARTRIDGE IN SAID HOUSING, SAID FLOW METER BEING INSERTABLE WITHIN SAID HOUSING IN PLACE OF THE FILTER CARTRIDGE AND COMPRISING A CLOSURE PLATE FOR THE OPEN END OF SAID HOUSING, A SHAFT EXTENDING THROUGH SAID CLOSURE PLATE AND AXIALLY OF SAID HOUSING AND PROVIDED WITH MEANS POSITIONED OUTSIDE OF SAID PLATE FOR MANUALLY ROTATING SAID SHAFT AND MEANS CALIBRATED FOR INDICATING THE RATE OF FLOW THERETHROUGH, A METER CARTRIDGE MOUNTED FOR AXIAL MOVEMENT UPON SAID SHAFT AND INCLUDING A PISTON AT ONE END FOR SLIDABLE RECEPTION IN SAID CYLINDER OF THE HOUSING AND A SHELL CARRIED BY SAID PISTON, SPRING BIASING MEANS FOR URGING THE METER CARTRIDGE AGAINST THE CLOSURE
Claim 2
Dependent Claim
163 words
A RATE OF FLOW METER ADAPTED FOR USE IN A FILTER HOUSING OF THE AXIALLY MOVABLE FILTER CARTRIDGE TYPE PROVIDED WITH AN INTERIORLY FORMED CYLINDER AT THE OUTLET END OF SAID HOUSING THE OPPOSITE END BEING OPEN FOR THE RECEPTION OF THE FILTER CARTRIDGE, SAID HOUSING HAVING MEANS FOR INDICATING MOVEMENT OF SAID CARTRIDGE IN SAID HOUSING, SAID FLOW METER BEING INSERTABLE WITHIN SAID HOUSING IN PLACE OF THE FILTER CARTRIDGE AND COMPRISING A CLOSURE PLATE FOR THE OPEN END OF SAID HOUSING, A SHAFT EXTENDING THROUGH SAID CLOSURE PLATE AND AXIALLY OF SAID HOUSING AND PROVIDED WITH MEANS POSITIONED OUTSIDE OF SAID PLATE FOR MANUALLY ROTATING SAID SHAFT AND MEANS CALIBRATED FOR INDICATING THE RATE OF FLOW THERETHROUGH, A METER CARTRIDGE MOUNTED FOR AXIAL MOVEMENT UPON SAID SHAFT AND INCLUDING A PISTON AT ONE END FOR SLIDABLE RECEPTION IN SAID CYLINDER OF THE HOUSING AND A SHELL CARRIED BY SAID PISTON, SPRING BIASING MEANS FOR URGING THE METER CARTRIDGE AGAINST THE CLOSURE
References Cited (Backward Citations)
US1456621A
Cited
US2069309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |