US3130941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic bellmouth for duct through aerodynamic surface
Assignee: Teledyne Ryan Aeronautical Corp
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Filing: 1963-03-27
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Granted: 1964-04-28
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Expires: 1983-03-27
Abstract
No abstract record available.
Inventors
- 👤 Pazmany Ladislao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:07
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0016
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
63 words
IN COMBINATION WITH AN AERODYNAMIC SURFACE HAVING AN AIRFLOW CONDUCTING DUCT EXTENDING THERETHROUGH, AIRFLOW CONTROLLING MEANS COMPRISING: A FLEXIBLE, RESILIENT ANNULUS SECURED TO SAID AERODYNAMIC SURFACE AND TO THE PERIPHERY OF SAID DUCT AND EXTENDING RADIALLY OUTWARDLY THEREFROM; AND MEANS TO BLOW SAID ANNULUS PRINCIPALLY IN A DIRECTION AXIAL TO SAID DUCT TO FORM AND AXIALLY EXTENDED CURVED BELLMOUNT ENTRY FOR THE DUCT.
Claim 2
Dependent Claim
63 words
IN COMBINATION WITH AN AERODYNAMIC SURFACE HAVING AN AIRFLOW CONDUCTING DUCT EXTENDING THERETHROUGH, AIRFLOW CONTROLLING MEANS COMPRISING: A FLEXIBLE, RESILIENT ANNULUS SECURED TO SAID AERODYNAMIC SURFACE AND TO THE PERIPHERY OF SAID DUCT AND EXTENDING RADIALLY OUTWARDLY THEREFROM; AND MEANS TO BLOW SAID ANNULUS PRINCIPALLY IN A DIRECTION AXIAL TO SAID DUCT TO FORM AND AXIALLY EXTENDED CURVED BELLMOUNT ENTRY FOR THE DUCT.
Claim 3
Dependent Claim
63 words
IN COMBINATION WITH AN AERODYNAMIC SURFACE HAVING AN AIRFLOW CONDUCTING DUCT EXTENDING THERETHROUGH, AIRFLOW CONTROLLING MEANS COMPRISING: A FLEXIBLE, RESILIENT ANNULUS SECURED TO THE PERIPHERY OF SAID DUCT AND EXTENDING RADIALLY OUTWARDLY THEREFROM, SAID ANNULUS BEING CIRCUMFERENTIALLY SEGMENTED INTO A PLURALITY OF PETAL ELEMENTS; AND MEANS TO BOW SAID ANNULUS AXIALLY TO SAID DUCT TO FORM A CURVED BELLMOUTH ENTRY FOR THE DUCT.
Claim 4
Dependent Claim
63 words
IN COMBINATION WITH AN AERODYNAMIC SURFACE HAVING AN AIRFLOW CONDUCTING DUCT EXTENDING THERETHROUGH, AIRFLOW CONTROLLING MEANS COMPRISING: A FLEXIBLE, RESILIENT ANNULUS SECURED TO THE PERIPHERY OF SAID DUCT AND EXTENDING RADIALLY OUTWARDLY THEREFROM, SAID ANNULUS BEING CIRCUMFERENTIALLY SEGMENTED INTO A PLURALITY OF PETAL ELEMENTS; AND MEANS TO BOW SAID ANNULUS AXIALLY TO SAID DUCT TO FORM A CURVED BELLMOUTH ENTRY FOR THE DUCT.
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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |