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US3334640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet pipe pneumatic and gate
Assignee: Unisys Corp
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Filing: 1962-08-01
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Granted: 1967-08-08
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Expires: 1982-08-01
Abstract
No abstract record available.
Inventors
- 👤 Edwin R Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:23
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/14; F15C1/143; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2164; Y10T137/2169; Y10T137/2174
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A FLUID AND UNIT INCLUDING A DUCT, A PLURALITY OF DUAL FUNCTION ORIFICES FORMED IN SAID DUCT, EACH OF SAID DUAL FUNCTION ORIFICES PERMITTING THERETHROUGH THE EQUALIZATION OF FLUID PRESSURE BETWEEN SAID DUCT AND A REFERENCE FLUID PRESSURE, MEANS FOR SELECTIVELY CHANGING THE REFERENCE PRESSURE AT ONE OR MORE OF SAID ORIFICES, AND AN OUTPUT PASSAGE COMMUNICATING BETWEEN SAID REFERENCE PRESSURE AND SAID DUCT, SAID OUTPUT PASSAGE REFLECTING A CHOSEN LEVEL OF CHANGE FROM SAID REFERENCE PRESSURE ONLY WHEN ALL OF SAID DUAL FUNCTION ORIFICES CONICIDENTLY EXHIBIT SAID CHANGE.
Claim 2
Dependent Claim
89 words
A FLUID AND UNIT INCLUDING A DUCT, A PLURALITY OF DUAL FUNCTION ORIFICES FORMED IN SAID DUCT, EACH OF SAID DUAL FUNCTION ORIFICES PERMITTING THERETHROUGH THE EQUALIZATION OF FLUID PRESSURE BETWEEN SAID DUCT AND A REFERENCE FLUID PRESSURE, MEANS FOR SELECTIVELY CHANGING THE REFERENCE PRESSURE AT ONE OR MORE OF SAID ORIFICES, AND AN OUTPUT PASSAGE COMMUNICATING BETWEEN SAID REFERENCE PRESSURE AND SAID DUCT, SAID OUTPUT PASSAGE REFLECTING A CHOSEN LEVEL OF CHANGE FROM SAID REFERENCE PRESSURE ONLY WHEN ALL OF SAID DUAL FUNCTION ORIFICES CONICIDENTLY EXHIBIT SAID CHANGE.
References Cited (Backward Citations)
US3107850A
Cited
US3068880A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |