Patent US3270960A successfully refreshed from Google Patents.
US3270960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid sensor
Assignee: Unisys Corp
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Filing: 1964-09-11
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Granted: 1966-09-06
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Expires: 1984-09-11
Abstract
No abstract record available.
Inventors
- 👤 Edwin R Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:06
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/02; F; F15; F15C; F15C1/00; F15C1/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
FLUID APPARATUS FOR SENSING THE PRESENCE OF AN APERTURE EXTENDING THROUGH A BODY, WHICH COMPRISES: (A) A REGION IN WHICH THE BODY CAN BE SELECTIVELY PLACED; (B) A FIRST FLUID ORIFICE HAVING A PREDETERMINED FIRST FLOW AREA WHICH IS LOCATED TO ONE SIDE OF SAID REGION AND ORIENTED SUCH THAT A FLUID JET STREAM ISSUING THEREFROM WILL PASS THROUGH A BODY APERTURE IN ALIGNMENT THEREWITH TO EMERGE AT THE OPPOSITE SIDE OF SAID REGION; (C) A SECOND FLUID ORIFICE HAVING A PREDETERMINED SECOND FLOW AREA WHICH IS LOCATED AT THE OPPOSITE SIDE OF SAID REGION IN ALIGNMENT WITH SAID FIRST FLUID ORIFICE FOR RECEIVING A FLUID JET STREAM THEREFROM, SAID SECOND ORIFICE BEING SPACED FROM THE BODY A DISTANCE SUFFICIENT TO PROVIDE A PREDETEMINED THIRD FLOW AREA THEREBETWEEN; (D) A FLUID RECOVERY CHANNEL OF PREDETERMINED VOLUME CONNECTD TO SAID SECOND FLUID ORIFICE; (E) FLUID STATIC PRESSURE SENSING MEANS INCLUDING MEANS DIRECTLY CONNECTED TO SAID FLUID RECOVERY CHANNEL, SAID SENSING MEANS BEING IN AT LEAST A FIRST OR A SECOND STATE IN RESPONSE TO A FLUID STATIC PRESSURE OF A FIRST OR A SECOND VALUE, RESPECTIVELY, IN SAID FLUID RECOVERY CHANNEL; AND
Claim 2
Dependent Claim
191 words
FLUID APPARATUS FOR SENSING THE PRESENCE OF AN APERTURE EXTENDING THROUGH A BODY, WHICH COMPRISES: (A) A REGION IN WHICH THE BODY CAN BE SELECTIVELY PLACED; (B) A FIRST FLUID ORIFICE HAVING A PREDETERMINED FIRST FLOW AREA WHICH IS LOCATED TO ONE SIDE OF SAID REGION AND ORIENTED SUCH THAT A FLUID JET STREAM ISSUING THEREFROM WILL PASS THROUGH A BODY APERTURE IN ALIGNMENT THEREWITH TO EMERGE AT THE OPPOSITE SIDE OF SAID REGION; (C) A SECOND FLUID ORIFICE HAVING A PREDETERMINED SECOND FLOW AREA WHICH IS LOCATED AT THE OPPOSITE SIDE OF SAID REGION IN ALIGNMENT WITH SAID FIRST FLUID ORIFICE FOR RECEIVING A FLUID JET STREAM THEREFROM, SAID SECOND ORIFICE BEING SPACED FROM THE BODY A DISTANCE SUFFICIENT TO PROVIDE A PREDETEMINED THIRD FLOW AREA THEREBETWEEN; (D) A FLUID RECOVERY CHANNEL OF PREDETERMINED VOLUME CONNECTD TO SAID SECOND FLUID ORIFICE; (E) FLUID STATIC PRESSURE SENSING MEANS INCLUDING MEANS DIRECTLY CONNECTED TO SAID FLUID RECOVERY CHANNEL, SAID SENSING MEANS BEING IN AT LEAST A FIRST OR A SECOND STATE IN RESPONSE TO A FLUID STATIC PRESSURE OF A FIRST OR A SECOND VALUE, RESPECTIVELY, IN SAID FLUID RECOVERY CHANNEL; AND
References Cited (Backward Citations)
FR1175053A
Cited
US3057974A
Cited
US3103850A
Cited
US3191008A
Cited
FR1362309A
Cited
US3169639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |