US3295140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple point recorder system
Assignee: Leeds and Northrup Co
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Filing: 1964-03-20
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Granted: 1966-12-27
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Expires: 1984-03-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Kenneth B Parker
- 👤 Albert E Paschkis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:30
CPC Classifications
G; G01; G01D; G01D9/00; G01D9/28; G01D9/32; G01D9/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A RECORDER SYSTEM COMPRISING A MULTIPLE-POINT RECORDER HAVING A SELF-BALANCING MEASURING CIRCUIT AND A MULTI-POINT SYNCHRONIZING SWITCH ROTATING IN SYNCHRONISM WITH THE PRINT MECHANISM OF THE RECORDER, INPUT-SELECTOR RELAYS IN NUMBER CORRESPONSING WITH THE MAXIMUM POINT-RECORDING CAPABILITY OF SAID RECORDER AND HAVING THEIR COILS RESPECTIVELY CONNECTED TO CORRESPONDING POINTS OF SAID SYNCHRONIZING SWITCH FOR ENERGIZATION FROM A HIGH-LEVEL SOURCE, EACH OF SAID RELAYS HAVING CONTACT MEANS OPERABLE TO CONNECT SAID MEASURING CIRCUIT DIRECTLY TO INPUT TERMINALS FOR A MEASURING POINT THROUGH A LOW-LEVEL CIRCUIT EXCLUDING SAID SYNCHRONIZING SWITCH, AND MEANS FOR VARYING THE NUMBER OF RECORDED MEASURING POINTS INCLUDING A NETWORK IN THE HIGH-LEVEL COIL CIRCUITS OF SAID SELECTOR RELAYS AND HAVING DIFFERENT GROUPS OF TERMINALS RESPECTIVELY CORRESPONDING WITH THE NUMBER OF SELECTED RELAYS TO BE SEQUENTIALLY ENERGIZED PER CYCLE OF SAID SYNCHRONIZING SWITCH AND THE NUMBER OF TIMES EACH SELECTED RELAY IS TO BE ENERGIZED DURING THAT CYCLE.
Claim 2
Dependent Claim
149 words
A RECORDER SYSTEM COMPRISING A MULTIPLE-POINT RECORDER HAVING A SELF-BALANCING MEASURING CIRCUIT AND A MULTI-POINT SYNCHRONIZING SWITCH ROTATING IN SYNCHRONISM WITH THE PRINT MECHANISM OF THE RECORDER, INPUT-SELECTOR RELAYS IN NUMBER CORRESPONSING WITH THE MAXIMUM POINT-RECORDING CAPABILITY OF SAID RECORDER AND HAVING THEIR COILS RESPECTIVELY CONNECTED TO CORRESPONDING POINTS OF SAID SYNCHRONIZING SWITCH FOR ENERGIZATION FROM A HIGH-LEVEL SOURCE, EACH OF SAID RELAYS HAVING CONTACT MEANS OPERABLE TO CONNECT SAID MEASURING CIRCUIT DIRECTLY TO INPUT TERMINALS FOR A MEASURING POINT THROUGH A LOW-LEVEL CIRCUIT EXCLUDING SAID SYNCHRONIZING SWITCH, AND MEANS FOR VARYING THE NUMBER OF RECORDED MEASURING POINTS INCLUDING A NETWORK IN THE HIGH-LEVEL COIL CIRCUITS OF SAID SELECTOR RELAYS AND HAVING DIFFERENT GROUPS OF TERMINALS RESPECTIVELY CORRESPONDING WITH THE NUMBER OF SELECTED RELAYS TO BE SEQUENTIALLY ENERGIZED PER CYCLE OF SAID SYNCHRONIZING SWITCH AND THE NUMBER OF TIMES EACH SELECTED RELAY IS TO BE ENERGIZED DURING THAT CYCLE.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |