US3095892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid metering device
Assignee: Individual
•
Filing: 1960-03-22
•
Granted: 1963-07-02
•
Expires: 1980-03-22
Abstract
No abstract record available.
Inventors
- 👤 Laing David Harkness
- 👤 Jones James Dennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:38
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/006; C; C02; C02F; C02F1/00; C02F1/68; C02F1/685; C02F1/686; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2521; Y10T137/2526; Y10T137/8593; Y10T137/8597
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
MEANS FOR METERING A FIRST FLUID INTO A SECOND FLUID, COMPRISING: A CONDUIT DEFINING A FLUID FLOW PATH; A PREDETERMINED FLUID FLOW DIRECTION IN SAID CONDUIT; MEANS FOR RESTRICTING FLOW OF FLUID ALONG SAID CONDUIT ADAPTED TO CAUSE A PRESSURE DIFFERENTIAL THEREACROSS FROM A HIGHER PRESURE ON THE UPSTREAM SIDE OF SAID FLOW RESTRICTING MEANS TO A LOWER PRESSURE ON THE DOWNSTREAM SIDE OF SAID FLOW RESTRICTING MEANS, SAID FLOW RESTRICTING MEANS BEING DESIGNED TO ALLOW FLUID FLOW THEREPAST AT A VOLUME FLOW RATE SUBSTANTIALLY LINEARLY PROPORTIONAL TO SAID PRESSURE DIFFERENTIAL WITHIN A PREDETERMINED RANGE OF SAID PRESSURE DIFFERENTIAL; A COMPRESSIBLE CONTAINER FOR SAID FIRST FLUID; MEANS FOR APPLYING SAID HIGHER PRESURE TO THE OUT SIDE OF SAID COMPRESSIBLE CONTAINER; MEANS DEFINING A FLUID PASSAGE CONNECTING THE INSIDE OF SAID COMPRESSIBLE CONTAINER TO SAID MAIN FLOW LINE IN THE REGION OF SAID LOWER PRESSURE; SAID FLUID PASSAGE BEING DESIGNED TO HAVE LAMINAR FLOW OF SAID FIRST FLUID OVER SAID PREDETERMINED RANGE OF PRESSURE DIFFERENTIALS.
Claim 2
Dependent Claim
164 words
MEANS FOR METERING A FIRST FLUID INTO A SECOND FLUID, COMPRISING: A CONDUIT DEFINING A FLUID FLOW PATH; A PREDETERMINED FLUID FLOW DIRECTION IN SAID CONDUIT; MEANS FOR RESTRICTING FLOW OF FLUID ALONG SAID CONDUIT ADAPTED TO CAUSE A PRESSURE DIFFERENTIAL THEREACROSS FROM A HIGHER PRESURE ON THE UPSTREAM SIDE OF SAID FLOW RESTRICTING MEANS TO A LOWER PRESSURE ON THE DOWNSTREAM SIDE OF SAID FLOW RESTRICTING MEANS, SAID FLOW RESTRICTING MEANS BEING DESIGNED TO ALLOW FLUID FLOW THEREPAST AT A VOLUME FLOW RATE SUBSTANTIALLY LINEARLY PROPORTIONAL TO SAID PRESSURE DIFFERENTIAL WITHIN A PREDETERMINED RANGE OF SAID PRESSURE DIFFERENTIAL; A COMPRESSIBLE CONTAINER FOR SAID FIRST FLUID; MEANS FOR APPLYING SAID HIGHER PRESURE TO THE OUT SIDE OF SAID COMPRESSIBLE CONTAINER; MEANS DEFINING A FLUID PASSAGE CONNECTING THE INSIDE OF SAID COMPRESSIBLE CONTAINER TO SAID MAIN FLOW LINE IN THE REGION OF SAID LOWER PRESSURE; SAID FLUID PASSAGE BEING DESIGNED TO HAVE LAMINAR FLOW OF SAID FIRST FLUID OVER SAID PREDETERMINED RANGE OF PRESSURE DIFFERENTIALS.
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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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |