Patent US3399566A successfully refreshed from Google Patents.
US3399566A
Expired / Lapsed
US
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Flow meter
Assignee: Bissett Berman Corp
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Filing: 1964-10-15
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Granted: 1968-09-03
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Expires: 1984-10-15
Abstract
No abstract record available.
Inventors
- 👤 Neil L Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:18
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/18; G01C; G01C13/00; G01C13/002; G01C13/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A FLOW METER FOR MEASURING THE VELOCITY OF A CURRENT OF SEA WATER, SAID METER INCLUDING: A SUPPORT CONSTRUCTED TO BE DISPOSED IN SAID SEA WATER AND HAVING FIRST AND SECOND ENDS DISPLACED IN THE DIRECTION OTHER ALONG A FIRST LINE, THE SUPPORT BEING PIVOTABLE AT THE FIRST END TO BECOME DISPOSED IN THE DIRECTION OF FLOW OF THE SEA WATER, A HEATER ELEMENT MOUNTED ON SAID SUPPORT AT THE FIRST END FOR TRANSFERRING HEAT INTO THE SEA WATER, MEANS INTERCONNECTED WITH SAID HEATER ELEMENT TO ENERGIZE SAID ELEMENT FOR A PARTICULAR INTERVAL OF TIME TO FORM A PARCEL OF HEATED WATER ADJACENT THE HEATER ELEMENT, AT LEAST A PAIR OF PICKUP PROBES MOUNTED ON SAID SUPPORT AT THE SECOND END IN SYMMETRICALLY DISPLACED RELATIONSHIP FROM THE HEATER ELEMENT RELATIVE TO THE FIRST LINE, SAID PROBES BEING ELECTRICAL INTERCONNECTED WITH EACH OTHER BY THE ELECTRICAL CONDUCTIVITY OF THE SEA WATER THEREBETWEEN, AND A BRIDGE CIRCUIT ELECTRICALLY INTERCONNECTED WITH SAID PROBES AND RESPONSIVE TO THE ELECTRICAL CONDUCTIVITY BETWEEN SAID PROBES FOR PROVIDING THE PASSAGE OF THE PARCEL OF HEATED WATER PAST THE PROBES.
Claim 2
Dependent Claim
182 words
A FLOW METER FOR MEASURING THE VELOCITY OF A CURRENT OF SEA WATER, SAID METER INCLUDING: A SUPPORT CONSTRUCTED TO BE DISPOSED IN SAID SEA WATER AND HAVING FIRST AND SECOND ENDS DISPLACED IN THE DIRECTION OTHER ALONG A FIRST LINE, THE SUPPORT BEING PIVOTABLE AT THE FIRST END TO BECOME DISPOSED IN THE DIRECTION OF FLOW OF THE SEA WATER, A HEATER ELEMENT MOUNTED ON SAID SUPPORT AT THE FIRST END FOR TRANSFERRING HEAT INTO THE SEA WATER, MEANS INTERCONNECTED WITH SAID HEATER ELEMENT TO ENERGIZE SAID ELEMENT FOR A PARTICULAR INTERVAL OF TIME TO FORM A PARCEL OF HEATED WATER ADJACENT THE HEATER ELEMENT, AT LEAST A PAIR OF PICKUP PROBES MOUNTED ON SAID SUPPORT AT THE SECOND END IN SYMMETRICALLY DISPLACED RELATIONSHIP FROM THE HEATER ELEMENT RELATIVE TO THE FIRST LINE, SAID PROBES BEING ELECTRICAL INTERCONNECTED WITH EACH OTHER BY THE ELECTRICAL CONDUCTIVITY OF THE SEA WATER THEREBETWEEN, AND A BRIDGE CIRCUIT ELECTRICALLY INTERCONNECTED WITH SAID PROBES AND RESPONSIVE TO THE ELECTRICAL CONDUCTIVITY BETWEEN SAID PROBES FOR PROVIDING THE PASSAGE OF THE PARCEL OF HEATED WATER PAST THE PROBES.
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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) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |