US3282227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable venturi injector
Assignee: Nielsen Mfg Co
•
Filing: 1964-06-22
•
Granted: 1966-11-01
•
Expires: 1984-06-22
Abstract
No abstract record available.
Inventors
- 👤 Nielsen Adolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:46
CPC Classifications
F; F04; F04F; F04F5/00; F04F5/44; F04F5/46; F04F5/461; Y; Y10; Y10S; Y10S261/00; Y10S261/75
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN ADJUSTABLE INJECTOR COMPRISING A HOUSING HAVING FIRST AND SECOND COAXIAL SECTIONS ADJUSTABLY CONNECTED IN END-TO-END RELATION; A VENTURI TUBE MOUNTED WITHIN SAID HOUSING AND SUPPORTED FROM SAID FIRST SECTION, SAID TUBE BEING SPACED FROM THE INNER WALLS OF SAID HOUSING TO FORM AN ANNULAR FLOW PATH THEREBETWEEN; SAID SECOND SECTION AND TUBE HAVING COMPLEMENTARY FLOW RESTRICTING SURFACES LIMITING THE AMOUNT OF FLUID FLOW PASSING THROUGH SAID ANNULAR FLOW PATH; AND A THREADED COLLAR ADJUSTABLY CONNECT-
Claim 2
Dependent Claim
76 words
AN ADJUSTABLE INJECTOR COMPRISING A HOUSING HAVING FIRST AND SECOND COAXIAL SECTIONS ADJUSTABLY CONNECTED IN END-TO-END RELATION; A VENTURI TUBE MOUNTED WITHIN SAID HOUSING AND SUPPORTED FROM SAID FIRST SECTION, SAID TUBE BEING SPACED FROM THE INNER WALLS OF SAID HOUSING TO FORM AN ANNULAR FLOW PATH THEREBETWEEN; SAID SECOND SECTION AND TUBE HAVING COMPLEMENTARY FLOW RESTRICTING SURFACES LIMITING THE AMOUNT OF FLUID FLOW PASSING THROUGH SAID ANNULAR FLOW PATH; AND A THREADED COLLAR ADJUSTABLY CONNECT-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |