US3150675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Averaging relay
Assignee: Individual
•
Filing: 1962-08-29
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Granted: 1964-09-29
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Expires: 1982-08-29
Abstract
No abstract record available.
Inventors
- 👤 James W Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:57
CPC Classifications
F; F15; F15C; F15C4/00; G; G05; G05B; G05B11/00; G05B11/44; G05B11/48; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
142 words
IN A MODULATING PRESSURE RELAY INCLUDING A MAIN PRESSURE SOURCE AND A MODULATING VALVE AND PROVIDING A MODULATED CONTROL PRESSURE OUTPUT, MEANS ACTING ON SAID MODULATING VALVE FOR MODULATING SAID CONTROL PRESSURE AS A FUNCTION OF THE AVERAGE OF A PLURALITY OF VARIABLE INPUT PRESSURES COMPRISING A CONTROL SPINDLE FOR SAID MODULATING VALVE, A FIRST LIKE PLURALITY OF UNIDIRECTIONALLY EXPANSIBLE CHAMBERS RESPECTIVELY RECEIVING EACH OF SAID INPUT PRESSURES AND CONNECTED WITH SAID SPINDLE FOR ACTUATING SAID SPINDLE IN ONE DIRECTION OF OPERATION THEREOF, AND A SECOND LIKE PLURALITY OF UNIDIRECTIONALLY EXPANSIBLE CHAMBERS EACH RECEIVING THE SAID MODULATED CONTROL PRESSURE AND CONNECTED WITH SAID SPINDLE IN OPPOSITION TO SAID FIRST PLURALITY OF CHAMBERS FOR COUNTERBALANCING SAID SPINDLE AGAINST THE ACTION OF SAID INPUT PRESSURES WHEREBY SAID CONTROL PRESSURE IS MODULATED AS A FUNCTION OF THE AVERAGE VALUE OF SAID PLURALITY OF INPUT PRESSURES.
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) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |