Patent US2129722A successfully refreshed from Google Patents.
US3376744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow measurement system
Assignee: Schneider Electric Systems USA Inc
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Filing: 1966-07-07
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Granted: 1968-04-09
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Expires: 1986-07-07
Abstract
No abstract record available.
Inventors
- 👤 Dale F Kister
- 👤 James E Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:41
CPC Classifications
G; G01; G01F; G01F15/00; G01F15/07; G01F15/075; G01F15/0755
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A FLOW MEASUREMENT SYSTEM FOR MONITORING A PLURALITY OF FLOW LINES EACH WITH A FLOWMETER HAVING A PARTICULAR CALIBRATION FACTOR COMPRISING: A PLURALITY OF INPUT GATING MEANS ONE FOR EACH SAID FLOWMETER AND EACH ONE OF SAID INPUT GATING MEANS HAVING AN INPUT RESPONSIVE TO A PULSE TRAIN FROM ITS RESPECTIVE SAID FLOWMETER SAID PULSE TRAIN HAVING A FREQUENCY SUBSTANTIALLY PROPORTIONAL TO FLOW RATE THROUGH SAID RESPECTIVE FLOWMETER AND EACH ONE OF SAID INPUT GATING MEANS HAVING A GATED FLOWMETER OUTPUT AND EACH ONE OF SAID INPUT GATING MEANS BEING PERIODICALLY IN TURN GATED OPEN THEREBY PASSING SAID PULSE TRAIN TO ITS SAID GATED FLOWMETER OUTPUT, A MULTIPLIER HAVING AN INPUT RESPONSIVE TO SAID GATED FLOWMETER OUTPUT FROM EVERY ONE OF SAID PLURALITY OF INPUT GATING MEANS AND SAID MULTIPLIER HAVING A PLURALITY OF MULTIPLIER OUTPUTS,
Claim 2
Dependent Claim
136 words
A FLOW MEASUREMENT SYSTEM FOR MONITORING A PLURALITY OF FLOW LINES EACH WITH A FLOWMETER HAVING A PARTICULAR CALIBRATION FACTOR COMPRISING: A PLURALITY OF INPUT GATING MEANS ONE FOR EACH SAID FLOWMETER AND EACH ONE OF SAID INPUT GATING MEANS HAVING AN INPUT RESPONSIVE TO A PULSE TRAIN FROM ITS RESPECTIVE SAID FLOWMETER SAID PULSE TRAIN HAVING A FREQUENCY SUBSTANTIALLY PROPORTIONAL TO FLOW RATE THROUGH SAID RESPECTIVE FLOWMETER AND EACH ONE OF SAID INPUT GATING MEANS HAVING A GATED FLOWMETER OUTPUT AND EACH ONE OF SAID INPUT GATING MEANS BEING PERIODICALLY IN TURN GATED OPEN THEREBY PASSING SAID PULSE TRAIN TO ITS SAID GATED FLOWMETER OUTPUT, A MULTIPLIER HAVING AN INPUT RESPONSIVE TO SAID GATED FLOWMETER OUTPUT FROM EVERY ONE OF SAID PLURALITY OF INPUT GATING MEANS AND SAID MULTIPLIER HAVING A PLURALITY OF MULTIPLIER OUTPUTS,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |