Patent US3296580A successfully refreshed from Google Patents.
US3296580A
Expired / Lapsed
US
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Echo sounding apparatus
Assignee: S Smith and Sons Ltd
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Filing: 1964-11-17
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Granted: 1967-01-03
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Expires: 1984-11-17
Abstract
No abstract record available.
Inventors
- 👤 Hopkin Peter Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:41
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/52; G01S7/56; G01S7/534
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
ECHO SOUNDING APPARATUS FOR MARINE USE COMPRISING TRANSMITTING AND RECEIVING MEANS FOR TRANSMITTING AND RECEIVING PULSES OF ACOUSTIC ENERGY AND FOR GENERATING ELECTRICAL SIGNALS IN RESPONSE TO RECEIVED ACOUSTIC ENERGY, A CHARGE STORAGE TUBE FOR STORING AND REPRODUCING ELECTRICAL SIGNALS CONNECTED TO THE TRANSMITTING AND RECEIVING MEANS SO THAT IT RECEIVES THE SAID GENERATED ELECTRICAL SIGNALS, A RECORDER CONNECTED TO THE CHARGE STORAGE TUBE SO THAT IT RECORDS REPRODUCED SIGNALS, CONTROL MEANS CONNECTED TO THE CHARGE STORAGE TUBE AND COMPRISING A FIRST CONTROL CIRCUIT FOR PRODUCING SIGNALS WHICH INITIATE THE STORAGE AND REPRODUCTION MODES OF OPERATION OF THE CHARGE STORAGE TUBE AND FOR DEFLECTING THE ELECTRON BEAM DURING STORAGE AND REPRODUCTION OF THE ELECTRIC SIGNALS, AND A SECOND CONTROL CIRCUIT CONNECTED TO THE TRANSMITTING AND RECEIVING MEANS FOR RECEIVING THE SAID GENERATED ELECTRICAL SIGNALS, AND FOR TERMINATING THE STORAGE OF ELECTRICAL SIGNALS BY THE
Claim 2
Dependent Claim
144 words
ECHO SOUNDING APPARATUS FOR MARINE USE COMPRISING TRANSMITTING AND RECEIVING MEANS FOR TRANSMITTING AND RECEIVING PULSES OF ACOUSTIC ENERGY AND FOR GENERATING ELECTRICAL SIGNALS IN RESPONSE TO RECEIVED ACOUSTIC ENERGY, A CHARGE STORAGE TUBE FOR STORING AND REPRODUCING ELECTRICAL SIGNALS CONNECTED TO THE TRANSMITTING AND RECEIVING MEANS SO THAT IT RECEIVES THE SAID GENERATED ELECTRICAL SIGNALS, A RECORDER CONNECTED TO THE CHARGE STORAGE TUBE SO THAT IT RECORDS REPRODUCED SIGNALS, CONTROL MEANS CONNECTED TO THE CHARGE STORAGE TUBE AND COMPRISING A FIRST CONTROL CIRCUIT FOR PRODUCING SIGNALS WHICH INITIATE THE STORAGE AND REPRODUCTION MODES OF OPERATION OF THE CHARGE STORAGE TUBE AND FOR DEFLECTING THE ELECTRON BEAM DURING STORAGE AND REPRODUCTION OF THE ELECTRIC SIGNALS, AND A SECOND CONTROL CIRCUIT CONNECTED TO THE TRANSMITTING AND RECEIVING MEANS FOR RECEIVING THE SAID GENERATED ELECTRICAL SIGNALS, AND FOR TERMINATING THE STORAGE OF ELECTRICAL SIGNALS BY THE
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |