US3261162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lifting apparatus
Assignee: Individual
•
Filing: 1964-05-20
•
Granted: 1966-07-19
•
Expires: 1984-05-20
Abstract
No abstract record available.
Inventors
- 👤 Coanda Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:38
CPC Classifications
B; B64; B64C; B64C29/00; B64C39/00; B64C39/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN PROPULSION APPARATUS, IN COMBINATION, FIRST AND SECOND FLUID CONDUCTOR MEANS SYMMETRICALLY DISPOSED ABOUT AN AXIS OF FLOW IN SPACED-APART RELATIONSHIP WITH EACH OTHER, SAID CONDUCTOR MEANS RESPECTIVELY INCLUDING FIRST AND SECOND COANDA SLOTS AND THE FACING PORTIONS OF SAID CONDUCTOR MEANS DEFINING A THIRD COANDA SLOT, A SUPPLY OF FLUID UNDER PRESSURE, MEANS FOR DIRECTING FLUID FROM SAID SUPPLYING TO SAID CONDUCTOR MEANS AND THROUGH SAID FIRST AND SECOND COANDA SLOTS, THE FLUID PASSING THROUGH SAID FIRST AND SECOND COANDA SLOTS INDUCING A PRIMARY FLOW
Claim 2
Dependent Claim
86 words
IN PROPULSION APPARATUS, IN COMBINATION, FIRST AND SECOND FLUID CONDUCTOR MEANS SYMMETRICALLY DISPOSED ABOUT AN AXIS OF FLOW IN SPACED-APART RELATIONSHIP WITH EACH OTHER, SAID CONDUCTOR MEANS RESPECTIVELY INCLUDING FIRST AND SECOND COANDA SLOTS AND THE FACING PORTIONS OF SAID CONDUCTOR MEANS DEFINING A THIRD COANDA SLOT, A SUPPLY OF FLUID UNDER PRESSURE, MEANS FOR DIRECTING FLUID FROM SAID SUPPLYING TO SAID CONDUCTOR MEANS AND THROUGH SAID FIRST AND SECOND COANDA SLOTS, THE FLUID PASSING THROUGH SAID FIRST AND SECOND COANDA SLOTS INDUCING A PRIMARY FLOW
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |