US3144202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizing devices for generating and guiding potential whirls
Assignee: Individual
•
Filing: 1961-04-05
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Granted: 1964-08-11
•
Expires: 1981-04-05
Abstract
No abstract record available.
Inventors
- 👤 Helmbold Theodor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:39
CPC Classifications
F; F04; F04D; F04D17/00; F04D17/02; F04D17/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN COMBINATION WITH A FLUID TRANSFER DEVICE FOR CONDUCTING A FLUID STREAM FROM ONE REGION TO ANOTHER, AND HAVING MEANS FOR PRODUCING A POTENTIAL WHIRL ENTIRELY WITHIN THE DEVICE, VORTEX GUIDE MEANS IN SAID TRANSFER DEVICE FOR GUIDING AND STABILIZING THE POSITION OF SAID POTENTIAL WHIRL TO CONTROL THE DIRECTION OF SAID FLUID STREAM THROUGH SAID DEVICE, SAID VORTEX GUIDE MEANS COMPRISING A BODY HAVING A CONCAVE INNER SURFACE FOR SUPPORTING AND GUIDING SAID POTENTIAL WHIRL, SAID CONCAVE SURFACE CORRESPONDING IN SIZE AND SHAPE TO A SUBSTANTIAL PORTION OF THE PERIPHERY OF SAID WHIRL AND LOCATED ADJA-
Claim 2
Dependent Claim
97 words
IN COMBINATION WITH A FLUID TRANSFER DEVICE FOR CONDUCTING A FLUID STREAM FROM ONE REGION TO ANOTHER, AND HAVING MEANS FOR PRODUCING A POTENTIAL WHIRL ENTIRELY WITHIN THE DEVICE, VORTEX GUIDE MEANS IN SAID TRANSFER DEVICE FOR GUIDING AND STABILIZING THE POSITION OF SAID POTENTIAL WHIRL TO CONTROL THE DIRECTION OF SAID FLUID STREAM THROUGH SAID DEVICE, SAID VORTEX GUIDE MEANS COMPRISING A BODY HAVING A CONCAVE INNER SURFACE FOR SUPPORTING AND GUIDING SAID POTENTIAL WHIRL, SAID CONCAVE SURFACE CORRESPONDING IN SIZE AND SHAPE TO A SUBSTANTIAL PORTION OF THE PERIPHERY OF SAID WHIRL AND LOCATED ADJA-
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |