Liquid meter
Abstract
Abstract (A LIQUID METER HAVING AN INTERNAL SHOULDER WHICH IS DIAGONALLY DISPOSED TO THE MAJOR AXIS OF THE METER AND A MEASURING CHAMBER WITHIN THE METER HAVING AN EXTERNAL FLANGE WHICH IS SIMILARLY DIAGONALLY DISPOSED. THE SHOULDER AND FLANGE SEAT TOGETHER TO DIVIDE THE INTERIOR OF THE METER INTO INLET AND OUTLET COMPARTMENTS.) A LIQUID METER HAS A CENTRAL CUP-SHAPED CAVITY WITH STRAIGHT VERTICAL WALLS AND A MEASURING CHAMBER WITHIN THE CAVITY. A PAIR OF VERTICAL PARTITIONS EXTEND BETWEEN THE CAVITY WALLS AND THE MEASURING CHAMBER TO DIVIDE THE CAVITY INTO AN INLET AND AN OUTLET COMPARTMENT. OTHER MEANS BAR THE FLOW OF FLUID ACROSS THE TOP AND BOTTOM OF THE INLET COMPARTMENT TO THE OUTLET COMPARTMENT. D R A W I N G
Inventors
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Bibliographic Details
Claims Analysis
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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) | 1977-04-29 | 1977-10-29 | 1978-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-29 | 1981-10-29 | 1982-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-29 | 1985-10-29 | 1986-04-30 | $7700.00 | Window Closed / Lapsed |