US3230923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sonic pressure wave generator
Assignee: Sonic Development Corporation of America
•
Filing: 1962-11-21
•
Granted: 1966-01-25
•
Expires: 1982-11-21
Abstract
No abstract record available.
Inventors
- 👤 Hughes Nathaniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:17
CPC Classifications
G; G10; G10K; G10K5/00; G10K5/02; Y; Y10; Y10S; Y10S159/00; Y10S159/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A GAS-OPERATED PRESSURE WAVE GENERATOR, SAID GENERATOR COMPRISING, IN COMBINATION, A GAS-ACCELERATING NOZZLE COMPRISING A BODY MEMBER FORMING A GAS FLOW PASSAGEWAY, FIRST AND SECOND LONGITUDINAL POSITIONS IN SAID BODY MEMBER, RESTRICTOR MEANS REDUCING THE CROSS-SECTIONAL AREA OF SAID GAS FLOW PASSAGEWAY AND FORMING A REDUCED ORIFICE AT SAID FIRST LONGITUDINAL POSITION, EXPANSION MEANS IN SAID GAS FLOW PASSAGEWAY BETWEEN SAID ORIFICE AND SAID SECOND LONGITUDINAL POSITION, SAID EXPANSION MEANS PROVIDING AN INCREASING CROSS-SECTIONAL AREA FOR SAID PASSAGEWAY BETWEEN SAID ORIFICE AND SAID SECOND LONGITUDINAL POSITION IN THE DIRECTION OF FLOW OF GAS THROUGH SAID NOZZLE, RESONATOR MEANS, AND MEANS FOR POSITIONING SAID RESONATOR MEANS ADJACENT THE EXIT OPENING OF SAID GAS PASSAGEWAY, THE RATIO OF THE CROSS-SECTIONAL AREA OF SAID GAS PASSAGEWAY AT SAID SECOND LONGITUDINAL POSITION TO THE CROSS-SECTIONAL AREA OF SAID GAS PASSAGEWAY AT SAID FIRST LONGITUDINAL POSITION BEING AT LEAST 1.5.
Claim 2
Dependent Claim
145 words
A GAS-OPERATED PRESSURE WAVE GENERATOR, SAID GENERATOR COMPRISING, IN COMBINATION, A GAS-ACCELERATING NOZZLE COMPRISING A BODY MEMBER FORMING A GAS FLOW PASSAGEWAY, FIRST AND SECOND LONGITUDINAL POSITIONS IN SAID BODY MEMBER, RESTRICTOR MEANS REDUCING THE CROSS-SECTIONAL AREA OF SAID GAS FLOW PASSAGEWAY AND FORMING A REDUCED ORIFICE AT SAID FIRST LONGITUDINAL POSITION, EXPANSION MEANS IN SAID GAS FLOW PASSAGEWAY BETWEEN SAID ORIFICE AND SAID SECOND LONGITUDINAL POSITION, SAID EXPANSION MEANS PROVIDING AN INCREASING CROSS-SECTIONAL AREA FOR SAID PASSAGEWAY BETWEEN SAID ORIFICE AND SAID SECOND LONGITUDINAL POSITION IN THE DIRECTION OF FLOW OF GAS THROUGH SAID NOZZLE, RESONATOR MEANS, AND MEANS FOR POSITIONING SAID RESONATOR MEANS ADJACENT THE EXIT OPENING OF SAID GAS PASSAGEWAY, THE RATIO OF THE CROSS-SECTIONAL AREA OF SAID GAS PASSAGEWAY AT SAID SECOND LONGITUDINAL POSITION TO THE CROSS-SECTIONAL AREA OF SAID GAS PASSAGEWAY AT SAID FIRST LONGITUDINAL POSITION BEING AT LEAST 1.5.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |