Patent US3204862A successfully refreshed from Google Patents.
US3204862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Annular venturi
Assignee: Specialties Development Corp
•
Filing: 1963-05-08
•
Granted: 1965-09-07
•
Expires: 1983-05-08
Abstract
No abstract record available.
Inventors
- 👤 Theodore T Hadeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:02
CPC Classifications
F; F04; F04F; F04F5/00; F04F5/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
APPARATUS COMPRISING A RING HAVING A CENTRAL FLUID FLOW CONDUCTING OPENING, A PLATE HAVING A CENTRAL IMPERFORATE SECTION FACING SAID OPENING IN SAID RING, SAID RING AND SAID PLATE HAVING CONCENTRIC RADIALLY FLARED ANNULAR ZONES CONSTRUCTED AND ARRANGED TO PROVIDE AN ANNULAR VENTURI HAVING A FLARED INLET SECTION, A FLARED OUTLET SECTION AND A THROAT BETWEEN SAID SECTIONS, NOZZLE MEANS FOR RADIALLY DIRECTING AN ANNULAR ZONE OF GASEOUS MEDIUM UNDER PRESSURE INTO SAID INLET SECTION, AND MEANS FOR MOUNTING SAID NOZZLE MEANS BETWEEN SAID RING AND SAID PLATE AND MOUNTING SAID PLATE ON SAID RING.
Claim 2
Dependent Claim
95 words
APPARATUS COMPRISING A RING HAVING A CENTRAL FLUID FLOW CONDUCTING OPENING, A PLATE HAVING A CENTRAL IMPERFORATE SECTION FACING SAID OPENING IN SAID RING, SAID RING AND SAID PLATE HAVING CONCENTRIC RADIALLY FLARED ANNULAR ZONES CONSTRUCTED AND ARRANGED TO PROVIDE AN ANNULAR VENTURI HAVING A FLARED INLET SECTION, A FLARED OUTLET SECTION AND A THROAT BETWEEN SAID SECTIONS, NOZZLE MEANS FOR RADIALLY DIRECTING AN ANNULAR ZONE OF GASEOUS MEDIUM UNDER PRESSURE INTO SAID INLET SECTION, AND MEANS FOR MOUNTING SAID NOZZLE MEANS BETWEEN SAID RING AND SAID PLATE AND MOUNTING SAID PLATE ON SAID RING.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |