Patent US3279489A successfully refreshed from Google Patents.
US3279489A
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US
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Fluid control
Assignee: Johnson Controls International Inc
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Filing: 1963-09-30
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Granted: 1966-10-18
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Expires: 1983-09-30
Abstract
No abstract record available.
Inventors
- 👤 Bjorn G Bjornsen
- 👤 Jr Thomas J Lechner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:53
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/14; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/218; Y10T137/2202; Y10T137/2218; Y10T137/2273
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
IN A PURE FLUID MODULATING DEVICE, (A) A MAIN STREAM EMITTER HAVING IN ONE WALL AN EMITTER ORIFICE FOR ESTABLISHING A MAIN STREAM FLOWING THEREFROM AND HAVING AN OUTWARDLY EXTENDING WALL LATERALLY SPACED FROM THE MAIN STREAM, (B) A COLLECTOR ORIFICE ALIGNED WITH AND SPACED FROM SAID EMITTER ORIFICE BY A PREDETERMINED GAP, AND (C) A CONTROL ORIFICE FORMED IN SAID LATERALLY SPACED WALL ESTABLISHING A CONTROL STREAM PERPENDICULAR TO THE MAIN STREAM, SAID CONTROL ORIFICE HAVING ITS CENTER LINE SPACED FROM THE EMITTER ORIFICE BY THE DIAMETER OF THE CONTROL ORIFICE, AND SAID CONTROL ORIFICE BEING SPACED FROM THE CENTER LINE OF THE MAIN STREAM BY THE DIAMETER OF THE EMITTER ORIFICE.
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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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |