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US3176513A
Expired / Lapsed
US
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Feeding and metering the flow of fluent material through a conduit
Assignee: AT&T Inc
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Filing: 1962-03-29
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Granted: 1965-04-06
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Expires: 1982-03-29
Abstract
No abstract record available.
Inventors
- 👤 Eduard W Kriete
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:48
CPC Classifications
G; G01; G01F; G01F13/00; G01F13/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
APPARATUS FOR RECORDING THE NUMBER OF SUCCESSIVE DISCRETE QUANTITIES OF FLUENT MATERIAL PASSING THROUGH A CONDUIT AND GENERATING SOUND WAVES BY DEVELOPING VIBRATIONS IN THE CONDUIT WALL COMPRISING MEANS FOR ISOLATING THE VIBRATIONS DEVELOPED IN A GIVEN PORTION OF THE CONDUIT LENGTH FROM THE VIBRATIONS DEVELOPED IN THE REMAINING PORTIONS OF THE CONDUIT LENGTH, MEANS FOR RECORDING THE NUMBER OF DISCRETE QUANTITIES OF FLUENT MATERIAL PASSING THROUGH THE CONDUIT, AND MEANS RESPONSIVE TO EACH SUCCESSIVE SOUND WAVE GENERATED BY THE VIBRATIONS DEVELOPED IN THE GIVEN PORTION FOR ACTUATING THE RECORDING MEANS.
Claim 2
Dependent Claim
91 words
APPARATUS FOR RECORDING THE NUMBER OF SUCCESSIVE DISCRETE QUANTITIES OF FLUENT MATERIAL PASSING THROUGH A CONDUIT AND GENERATING SOUND WAVES BY DEVELOPING VIBRATIONS IN THE CONDUIT WALL COMPRISING MEANS FOR ISOLATING THE VIBRATIONS DEVELOPED IN A GIVEN PORTION OF THE CONDUIT LENGTH FROM THE VIBRATIONS DEVELOPED IN THE REMAINING PORTIONS OF THE CONDUIT LENGTH, MEANS FOR RECORDING THE NUMBER OF DISCRETE QUANTITIES OF FLUENT MATERIAL PASSING THROUGH THE CONDUIT, AND MEANS RESPONSIVE TO EACH SUCCESSIVE SOUND WAVE GENERATED BY THE VIBRATIONS DEVELOPED IN THE GIVEN PORTION FOR ACTUATING THE RECORDING MEANS.
References Cited (Backward Citations)
US1215135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |