Patent US3569865A successfully refreshed from Google Patents.
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Patent US3124000A successfully refreshed from Google Patents.
US3124000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Melas
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:42
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/002; G01F1/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
APPARATUS FOR MEASURING THE RATE OF FLOW OF A GRAVITY FLOWING STREAM OF SEWAGE COMPRISING A CHANNEL-TYPE OPEN FLOW MEASURING DEVICE INCLUDING LIQUID LEVEL SENSING APPARATUS OPERATIVELY MOUNTED IN SAID FLOW MEASURING DEVICE, SAID LIQUID LEVEL SENSING APPARATUS COMPRISING A HOUSING, A PIVOT SHAFT JOURNALED IN SAID HOUSING FOR ROTATION ABOUT A SUBSTANTIALLY HORIZONTAL AXIS AND HAVING ONE END THEREOF EXTENDING OUTSIDE OF SAID HOUSING, A FLOAT ARM OUTSIDE OF SAID HOUSING AND HAVING ONE END THEREOF FIXED TO SAID PIVOT SHAFT FOR MOVEMENT OF SAID FLOAT ARM IN A VERTICAL PLANE, A FLOAT RIGIDLY AFFIXED TO THE OTHER END OF SAID FLOAT ARM AND ADAPTED TO RIDE UPON THE SURFACE OF THE FLOWING STREAM OF SEWAGE AS IT FLOWS THROUGH SAID MEASURING DEVICE, AND MEANS CONNECTED WITH SAID PIVOT SHAFT FOR INDICATING THE ELEVATION OF SAID FLOAT, SAID HOUSING BEING MOUNTED AT SUCH A LEVEL ABOVE SAID MEASURING DEVICE AND SAID FLOAT ARM BEING OF SUCH LENGTH THAT SAID FLOAT ARM IS DISPOSED MORE NEARLY HORIZONTAL THAN VERTICAL.
Claim 2
Dependent Claim
169 words
APPARATUS FOR MEASURING THE RATE OF FLOW OF A GRAVITY FLOWING STREAM OF SEWAGE COMPRISING A CHANNEL-TYPE OPEN FLOW MEASURING DEVICE INCLUDING LIQUID LEVEL SENSING APPARATUS OPERATIVELY MOUNTED IN SAID FLOW MEASURING DEVICE, SAID LIQUID LEVEL SENSING APPARATUS COMPRISING A HOUSING, A PIVOT SHAFT JOURNALED IN SAID HOUSING FOR ROTATION ABOUT A SUBSTANTIALLY HORIZONTAL AXIS AND HAVING ONE END THEREOF EXTENDING OUTSIDE OF SAID HOUSING, A FLOAT ARM OUTSIDE OF SAID HOUSING AND HAVING ONE END THEREOF FIXED TO SAID PIVOT SHAFT FOR MOVEMENT OF SAID FLOAT ARM IN A VERTICAL PLANE, A FLOAT RIGIDLY AFFIXED TO THE OTHER END OF SAID FLOAT ARM AND ADAPTED TO RIDE UPON THE SURFACE OF THE FLOWING STREAM OF SEWAGE AS IT FLOWS THROUGH SAID MEASURING DEVICE, AND MEANS CONNECTED WITH SAID PIVOT SHAFT FOR INDICATING THE ELEVATION OF SAID FLOAT, SAID HOUSING BEING MOUNTED AT SUCH A LEVEL ABOVE SAID MEASURING DEVICE AND SAID FLOAT ARM BEING OF SUCH LENGTH THAT SAID FLOAT ARM IS DISPOSED MORE NEARLY HORIZONTAL THAN VERTICAL.
References Cited (Backward Citations)
US530337A
Cited
US1243682A
Cited
US1264115A
Cited
US1630134A
Cited
US1843330A
Cited
US1635414A
Cited
US1843552A
Cited
US2330427A
Cited
US2359927A
Cited
US2369027A
Cited
DE827871C
Cited
US2765656A
Cited
US2903678A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |