US3292727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High power sound generator for sonic fatique testing
Assignee: Messerschmitt AG
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Filing: 1964-03-04
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Granted: 1966-12-20
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Expires: 1984-03-04
Abstract
No abstract record available.
Inventors
- 👤 Bschorr Oskar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:17
CPC Classifications
G; G10; G10K; G10K9/00; G10K9/02; G10K9/06; G10K15/00; G10K15/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A HIGH POWER SOUND GENERATOR FOR SONIC FATIQUE TESTING, COMPRISING, IN COMBINATION, A TRUMPET-SHAPED SOUND TUBE MEANS FLARED IN FORWARD DIRECTION AND INCLUDING AN AXIALLY ADJUSTABLE STREAMLINED REGULATOR BODY FOR VARYING THE IMPEDANCE CHARACTERISTIC OF SAID SOUND TUBE MEANS; SAID STREAMLINED REGULATOR BODY HAVING A SMOOTHLY CURVED CONVEX END FACING AWAY FROM THE OPEN FORWARD END AND FACING TOWARD THE REAR END OF SAID TRUMPET-SHAPED SOUND TUBE; SOUND PRODUCING CYLINDER MEANS COMMUNICATING WITH THE REAR END OF SAID SOUND TUBE MEANS; SOUND PRODUCING PISTON MEANS MOVABLE IN AXIAL DIRECTION IN SAID CYLINDER MEANS; FREE PISTON MOTOR MEANS OPERATIVELY CONNECTED WITH SAID SOUND PRODUCING PISTON MEANS FOR IMPARTING TO THE LATTER A RECIPROCATING MOTION AT A PREDETERMINABLE FREQUENCY RESULTING IN CORRESPONDING SOUND PRODUCTION; AND MEANS COOPERATING WITH SAID FREE PISTON MOTOR MEANS FOR REGULATING THE AMPLITUDE AND FREQUENCY OF THE LATTER.
Claim 2
Dependent Claim
140 words
A HIGH POWER SOUND GENERATOR FOR SONIC FATIQUE TESTING, COMPRISING, IN COMBINATION, A TRUMPET-SHAPED SOUND TUBE MEANS FLARED IN FORWARD DIRECTION AND INCLUDING AN AXIALLY ADJUSTABLE STREAMLINED REGULATOR BODY FOR VARYING THE IMPEDANCE CHARACTERISTIC OF SAID SOUND TUBE MEANS; SAID STREAMLINED REGULATOR BODY HAVING A SMOOTHLY CURVED CONVEX END FACING AWAY FROM THE OPEN FORWARD END AND FACING TOWARD THE REAR END OF SAID TRUMPET-SHAPED SOUND TUBE; SOUND PRODUCING CYLINDER MEANS COMMUNICATING WITH THE REAR END OF SAID SOUND TUBE MEANS; SOUND PRODUCING PISTON MEANS MOVABLE IN AXIAL DIRECTION IN SAID CYLINDER MEANS; FREE PISTON MOTOR MEANS OPERATIVELY CONNECTED WITH SAID SOUND PRODUCING PISTON MEANS FOR IMPARTING TO THE LATTER A RECIPROCATING MOTION AT A PREDETERMINABLE FREQUENCY RESULTING IN CORRESPONDING SOUND PRODUCTION; AND MEANS COOPERATING WITH SAID FREE PISTON MOTOR MEANS FOR REGULATING THE AMPLITUDE AND FREQUENCY OF THE LATTER.
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |