US3130870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metering system
Assignee: Bristol Siddeley Engines Ltd
•
Filing: 1961-03-30
•
Granted: 1964-04-28
•
Expires: 1981-03-30
Abstract
No abstract record available.
Inventors
- 👤 Phillips Richard Morrison
- 👤 Lindsay-Scott David John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:48
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/74; B67D7/743; B67D7/744; G; G08; G08C; G08C13/00; G08C13/02; B67D2007/745; B67D2007/746
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
A METERING SYSTEM COMPRISING MORE THAN TWO METERS, EACH METER (A) BEING ADAPTED FOR USE IN A FLUID STREAM AND BEING RESPONSIVE TO THE RATE OF FLOW OF FLUID PASSING IN ASSOCIATION WITH THE METER, (B) BEING IN USE CONNECTED TO A DIFFERENT FLUID STREAM AND (C) SAID METERS EACH BEING CONNECTED TO AN ELECTRICAL SIGNAL TRANSMITTER WHEREBY THERE IS PROVIDED A SIGNAL TRAIN, THE TRAIN BEING CHARACTERISTIC OF THE QUANTITY OF FLUID PASSING IN ASSOCIATION WITH THE METER DURING A GIVEN PERIOD; SAID SYSTEM ALSO COMPRISING AN ELECTRICAL SUMMATING UNIT ADAPTED TO RECEIVE, SIMULTANEOUSLY, SIGNAL TRAINS FROM ANY NUMBER OF TRANSMITTERS AND COMPRISING A SWITCH ADAPTED TO CONNECT ANY NUMBER OF SAID TRANSMITTERS DURING SAID PERIOD TO SAID ELECTRICAL SUMMATING UNIT, SAID ELECTRICAL SUMMATING UNIT BEING ADAPTED TO PROVIDE AN OUTPUT TRAIN OF ELECTRICAL SIGNALS WHICH IS CHARACTERISTIC OF THE SUM OF THE QUANTITIES OF FLUID, MEASURED IN RESPECT OF EACH STREAM IN WHICH THE METER IN ASSOCIATION THEREWITH IS CONNECTED TO A TRANSMITTER CONNECTED BY MEANS OF SAID SWITCH TO SAID SUMMATING UNIT, SAID SYSTEM ALSO COMPRISING AN ELECTRICAL TRIGGER CIRCUIT ADAPTED TO RECEIVE SAID OUTPUT SIGNAL TRAIN AND ADAPTED TO
Claim 2
Dependent Claim
193 words
A METERING SYSTEM COMPRISING MORE THAN TWO METERS, EACH METER (A) BEING ADAPTED FOR USE IN A FLUID STREAM AND BEING RESPONSIVE TO THE RATE OF FLOW OF FLUID PASSING IN ASSOCIATION WITH THE METER, (B) BEING IN USE CONNECTED TO A DIFFERENT FLUID STREAM AND (C) SAID METERS EACH BEING CONNECTED TO AN ELECTRICAL SIGNAL TRANSMITTER WHEREBY THERE IS PROVIDED A SIGNAL TRAIN, THE TRAIN BEING CHARACTERISTIC OF THE QUANTITY OF FLUID PASSING IN ASSOCIATION WITH THE METER DURING A GIVEN PERIOD; SAID SYSTEM ALSO COMPRISING AN ELECTRICAL SUMMATING UNIT ADAPTED TO RECEIVE, SIMULTANEOUSLY, SIGNAL TRAINS FROM ANY NUMBER OF TRANSMITTERS AND COMPRISING A SWITCH ADAPTED TO CONNECT ANY NUMBER OF SAID TRANSMITTERS DURING SAID PERIOD TO SAID ELECTRICAL SUMMATING UNIT, SAID ELECTRICAL SUMMATING UNIT BEING ADAPTED TO PROVIDE AN OUTPUT TRAIN OF ELECTRICAL SIGNALS WHICH IS CHARACTERISTIC OF THE SUM OF THE QUANTITIES OF FLUID, MEASURED IN RESPECT OF EACH STREAM IN WHICH THE METER IN ASSOCIATION THEREWITH IS CONNECTED TO A TRANSMITTER CONNECTED BY MEANS OF SAID SWITCH TO SAID SUMMATING UNIT, SAID SYSTEM ALSO COMPRISING AN ELECTRICAL TRIGGER CIRCUIT ADAPTED TO RECEIVE SAID OUTPUT SIGNAL TRAIN AND ADAPTED TO
References Cited (Backward Citations)
US2319444A
Cited
US2898040A
Cited
US2931538A
Cited
US2998187A
Cited
US2923438A
Cited
US3036585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |