US3277708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow control device
Assignee: Sundstrand Corp
•
Filing: 1963-09-06
•
Granted: 1966-10-11
•
Expires: 1983-09-06
Abstract
No abstract record available.
Inventors
- 👤 Richard W Reynolds
- 👤 Ronald L Priebe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:47
CPC Classifications
F; F15; F15B; F15B21/00; F15B21/04; F15B21/045; G; G05; G05D; G05D7/00; G05D7/01; G05D7/0146; G05D7/016
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A DEVICE FOR SENSING FLOW IN LIQUID CONDUIT: A PLATE ACROSS THE PASSAGE IN THE CONDUCT HAVING AN ORIFICE IN SAID CONDUIT IN THE PATH OF FLUID FLOW; MEANS FOR SENSING THE LIQUID PRESSURE DIFFERENTIAL ACROSS SAID ORIFICE; AND MEANS UPSTREAM TOWARDS THE WALL OF SAID CONDUIT AND GENERALLY OUTWARD TOWARDS THE WALLS OF SAID CONDUIT AND THENCE INWARDLY THEREFROM TO CREATE TURBULENCE IN SAID CONDUIT IN FRONT OF SAID ORIFICE, SAID DIVERTING MEANS INCLUDING A BALL SUPPORTED CENRALLY IN SAID CONDUIT IN FRONT OF SAID ORIFICE.
Claim 2
Dependent Claim
88 words
IN A DEVICE FOR SENSING FLOW IN LIQUID CONDUIT: A PLATE ACROSS THE PASSAGE IN THE CONDUCT HAVING AN ORIFICE IN SAID CONDUIT IN THE PATH OF FLUID FLOW; MEANS FOR SENSING THE LIQUID PRESSURE DIFFERENTIAL ACROSS SAID ORIFICE; AND MEANS UPSTREAM TOWARDS THE WALL OF SAID CONDUIT AND GENERALLY OUTWARD TOWARDS THE WALLS OF SAID CONDUIT AND THENCE INWARDLY THEREFROM TO CREATE TURBULENCE IN SAID CONDUIT IN FRONT OF SAID ORIFICE, SAID DIVERTING MEANS INCLUDING A BALL SUPPORTED CENRALLY IN SAID CONDUIT IN FRONT OF SAID ORIFICE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |