Patent US3261162A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3261162A Expired / Lapsed US ⏱️ 0.0 years remaining

Lifting apparatus

Assignee: Individual
•
Filing: 1964-05-20
•
Granted: 1966-07-19
•
Expires: 1984-05-20
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Coanda Henri

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 01:19
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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag