US3136127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal intensifier
Assignee: True Trace Corp
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Filing: 1962-07-18
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Granted: 1964-06-09
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Expires: 1982-07-18
Abstract
No abstract record available.
Inventors
- 👤 Paul J Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:23
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/24; B23Q35/26; B23Q35/36; B23Q35/08; B23Q35/18; B23Q2735/00; B23Q2735/02; B23Q2735/08; B23Q2735/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN A MACHINE TOOL SLIDE POWER CIRCUIT: A MOTOR ADAPTED TO BE RUN BY LIQUID UNDER PRESSURE, SAID MOTOR INCLUDING A PAIR OF MOTOR PORTS FOR RECEIVING AND EXHAUSTING SAID LIQUID; A FLUID CIRCUIT LEG CONNECTED TO EACH OF SAID MOTOR PORTS, AT LEAST ONE OF SAID CIRCUIT LEGS INCLUDING LIQUID-FLOW CONTROL MEANS WHICH FORM A PORTION OF A TRACER VALVE, CONDUITRY FOR CONVEYING SAID LIQUID, A SOURCE OF PRESSURIZED LIQUID, AND A RESERVOIR FOR LIQUIDK AND PRESURE MODULATING MEANS IN THAT PORTION OF EACH OF SAID CIRCUIT LEGS WHICH IS FLUIDLY CONTIGUOUS TO THE MOTOR PORTS, SAID PRESSURE MODULATING MEANS BEING ADAPTED TO MODULATE THE PRESSURES BY RAISING AND LOWERING SAID PRESSURES IN THE RESPECTIVE LEGS BY INCREMENTS LESS THAN THE NORMAL PRESSURES IN SAID LEGS, THE INCREMENTS BEING OPPOSITE BETWEEN THE LEGS, WHEREBY WHEN THE MODULATING ACTION RAISES THE PRESSURE IN ONE LEG, IT LOWERS THE PRESSURE IN THE OTHER LEG.
Claim 2
Dependent Claim
153 words
IN A MACHINE TOOL SLIDE POWER CIRCUIT: A MOTOR ADAPTED TO BE RUN BY LIQUID UNDER PRESSURE, SAID MOTOR INCLUDING A PAIR OF MOTOR PORTS FOR RECEIVING AND EXHAUSTING SAID LIQUID; A FLUID CIRCUIT LEG CONNECTED TO EACH OF SAID MOTOR PORTS, AT LEAST ONE OF SAID CIRCUIT LEGS INCLUDING LIQUID-FLOW CONTROL MEANS WHICH FORM A PORTION OF A TRACER VALVE, CONDUITRY FOR CONVEYING SAID LIQUID, A SOURCE OF PRESSURIZED LIQUID, AND A RESERVOIR FOR LIQUIDK AND PRESURE MODULATING MEANS IN THAT PORTION OF EACH OF SAID CIRCUIT LEGS WHICH IS FLUIDLY CONTIGUOUS TO THE MOTOR PORTS, SAID PRESSURE MODULATING MEANS BEING ADAPTED TO MODULATE THE PRESSURES BY RAISING AND LOWERING SAID PRESSURES IN THE RESPECTIVE LEGS BY INCREMENTS LESS THAN THE NORMAL PRESSURES IN SAID LEGS, THE INCREMENTS BEING OPPOSITE BETWEEN THE LEGS, WHEREBY WHEN THE MODULATING ACTION RAISES THE PRESSURE IN ONE LEG, IT LOWERS THE PRESSURE IN THE OTHER LEG.
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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |