US3419032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differentiator valve for fluid logic circuits
Assignee: Aro Corp
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Filing: 1966-07-08
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Granted: 1968-12-31
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Expires: 1986-07-08
Abstract
No abstract record available.
Inventors
- 👤 Karl A Brandenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:04
CPC Classifications
F; F15; F15C; F15C3/00; F15C3/04; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A PNEUMATIC DEVICE FOR TRANSLATING AN INPUT PRESSURE PULSE OF A FIRST DURATION INTO AN OUTPUT PRESSURE PULSE OF SHORTER DURATION COMPRISING, IN COMBINATION: A HOUSING PROVIDED WITH AN INLET PORT, AN OUTLET PORT, AND AN EXHAUST PORT, MEANS FOR APPLYING SAID INPUT PULSE TO SASID INPUT PORT, A THREE-WAY VALVE WITHIN SAID HOUSING FOR PROVIDING A PASSAGE BETWEEN SAID INLET PORT AND SAID OUTLET PORT WHEN SAID VALVE IS IN A FIRST POSITION AND FOR PROVIDING A PASSAGE BETWEEN SAID OUTLET PORT AND SAID EXHAUST PORT WHEN SAID VALVE IS IN A SECOND POSITION, AN ENLARGED CHAMBER WITHIN SAID HOUSING, A CONSTRICTED PASSAGEWAY CONNECTING SAID CHAMBER AND SAID INLET PORT FOR PROVIDING A MEASURED FLUID FLOW INTO SAID CHAMBER WHENEVER SAID INPUT PRESSURE PULSE IS APPLIED TO SAID INLET PORT,
Claim 2
Dependent Claim
131 words
A PNEUMATIC DEVICE FOR TRANSLATING AN INPUT PRESSURE PULSE OF A FIRST DURATION INTO AN OUTPUT PRESSURE PULSE OF SHORTER DURATION COMPRISING, IN COMBINATION: A HOUSING PROVIDED WITH AN INLET PORT, AN OUTLET PORT, AND AN EXHAUST PORT, MEANS FOR APPLYING SAID INPUT PULSE TO SASID INPUT PORT, A THREE-WAY VALVE WITHIN SAID HOUSING FOR PROVIDING A PASSAGE BETWEEN SAID INLET PORT AND SAID OUTLET PORT WHEN SAID VALVE IS IN A FIRST POSITION AND FOR PROVIDING A PASSAGE BETWEEN SAID OUTLET PORT AND SAID EXHAUST PORT WHEN SAID VALVE IS IN A SECOND POSITION, AN ENLARGED CHAMBER WITHIN SAID HOUSING, A CONSTRICTED PASSAGEWAY CONNECTING SAID CHAMBER AND SAID INLET PORT FOR PROVIDING A MEASURED FLUID FLOW INTO SAID CHAMBER WHENEVER SAID INPUT PRESSURE PULSE IS APPLIED TO SAID INLET PORT,
References Cited (Backward Citations)
US3343558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |