Patent US3125754A successfully refreshed from Google Patents.
US3125754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
P-plop
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:40
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/58; G01S13/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A RECURRENT PULSE REFLECTION DISTANCE FINDING SYSTEM COMPRISING A RECURRENT PULSE TRANSMITTER, A PULSE RECEIVER, A PLURALITY OF PRIMARY VOLTAGE GENERATOR MEANS OPERATIVE RESPONSIVELY TO PULSE TRANSMISSION TO SUPPLY OUTPUT VOLTAGES OF PREDETERMINED DIFFERENT TIME DURATIONS, A PLURALITY OF GATE MEANS EACH RESPONSIVE TO THE OUTPUT VOLTAGE OF ONE OF THE SAID VOLTAGE GENERATOR MEANS TO TRANSMIT A SIGNAL APPLIED THERETO, MEANS SUPPLYING EACH GATE MEANS WITH THE RECEIVED PULSE OUTPUT FROM THE PULSE RECEIVER FOR CONTROLLED TRANSMISSION THERETHROUGH, A PLURALITY OF SECONDARY VOLTAGE GENERATOR MEANS EACH CONNECTED TO RECEIVE THE RECEIVER PULSE OUTPUT THROUGH ONE OF THE GATE MEANS AND OPERATIVE TO GENERATE A VOLTAGE OF PREDETERMINED DURATION IN RESPONSE THERETO, AND A PLURALITY OF VISUAL INDICATING MEANS EACH RESPONSIVE TO OPERATION OF ONE OF SAID SECONDARY VOLTAGE GENERATOR MEANS.
Claim 2
Dependent Claim
131 words
A RECURRENT PULSE REFLECTION DISTANCE FINDING SYSTEM COMPRISING A RECURRENT PULSE TRANSMITTER, A PULSE RECEIVER, A PLURALITY OF PRIMARY VOLTAGE GENERATOR MEANS OPERATIVE RESPONSIVELY TO PULSE TRANSMISSION TO SUPPLY OUTPUT VOLTAGES OF PREDETERMINED DIFFERENT TIME DURATIONS, A PLURALITY OF GATE MEANS EACH RESPONSIVE TO THE OUTPUT VOLTAGE OF ONE OF THE SAID VOLTAGE GENERATOR MEANS TO TRANSMIT A SIGNAL APPLIED THERETO, MEANS SUPPLYING EACH GATE MEANS WITH THE RECEIVED PULSE OUTPUT FROM THE PULSE RECEIVER FOR CONTROLLED TRANSMISSION THERETHROUGH, A PLURALITY OF SECONDARY VOLTAGE GENERATOR MEANS EACH CONNECTED TO RECEIVE THE RECEIVER PULSE OUTPUT THROUGH ONE OF THE GATE MEANS AND OPERATIVE TO GENERATE A VOLTAGE OF PREDETERMINED DURATION IN RESPONSE THERETO, AND A PLURALITY OF VISUAL INDICATING MEANS EACH RESPONSIVE TO OPERATION OF ONE OF SAID SECONDARY VOLTAGE GENERATOR MEANS.
References Cited (Backward Citations)
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Cited
US2333688A
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US2400309A
Cited
US2537593A
Cited
US2537574A
Cited
US2890437A
Cited
US2921302A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |