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US3207123A
Expired / Lapsed
US
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Differential horn
Assignee: Kockums Mekaniska Verkstads AB
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Filing: 1964-03-06
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Granted: 1965-09-21
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Expires: 1984-03-06
Abstract
No abstract record available.
Inventors
- 👤 Vrsaljko Dinko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:30
CPC Classifications
G; G10; G10K; G10K9/00; G10K9/02; G10K9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A PRESSURE-GAS OPERATED HORN, COMPRISING A HOUSING ENCLOSING A CHAMBER, A HORN CONNECTED TO SAID HOUSING, A FIRST VALVE SEAT ON THE INLET END OF SAID HORN, SAID FIRST VALVE SEAT FACING THE CHAMBER IN SAID HOUSING, MEANS DEFINING AN ANNULAR PRESSURE-GAS INLET TO THE CHAMBER IN SAID HOUSING, SAID INLET SURROUNDING SAID FIRST VALVE SEAT, A SECOND VALVE SEAT IN SAID HOUSING, SAID SECOND VALVE SEAT FACING THE CHAMBER IN SAID HOUSING AND SURROUNDING SAID ANNULAR INLET AND SAID FIRST VALVE SEAT, SAID SECOND VALVE SEAT BEING CONSIDERABLY BROADER THAN SAID FIRST VALVE SEAT, AND A RIGID DISK FREELY MOVABLE TOWARD AND AWAY FROM SAID FIRST AND SECOND VALVE SEATS IN THE CHAMBER OF SAID HOUSING SO AS TO ALTERNATELY SEAL THE ANNULAR PRESSUREGAS INLET FROM THE CHAMBER IN SAID HOUSING AND SAID HORN AND ERECT COMMUNICATION FROM THE ANNULAR PRESSURE-GAS INLET TO THE CHAMBER IN SAID HOUSING AND SAID HORN BETWEEN SAID DISK AND SAID FIRST AND SECOND VALVE SEATS.
Claim 2
Dependent Claim
162 words
A PRESSURE-GAS OPERATED HORN, COMPRISING A HOUSING ENCLOSING A CHAMBER, A HORN CONNECTED TO SAID HOUSING, A FIRST VALVE SEAT ON THE INLET END OF SAID HORN, SAID FIRST VALVE SEAT FACING THE CHAMBER IN SAID HOUSING, MEANS DEFINING AN ANNULAR PRESSURE-GAS INLET TO THE CHAMBER IN SAID HOUSING, SAID INLET SURROUNDING SAID FIRST VALVE SEAT, A SECOND VALVE SEAT IN SAID HOUSING, SAID SECOND VALVE SEAT FACING THE CHAMBER IN SAID HOUSING AND SURROUNDING SAID ANNULAR INLET AND SAID FIRST VALVE SEAT, SAID SECOND VALVE SEAT BEING CONSIDERABLY BROADER THAN SAID FIRST VALVE SEAT, AND A RIGID DISK FREELY MOVABLE TOWARD AND AWAY FROM SAID FIRST AND SECOND VALVE SEATS IN THE CHAMBER OF SAID HOUSING SO AS TO ALTERNATELY SEAL THE ANNULAR PRESSUREGAS INLET FROM THE CHAMBER IN SAID HOUSING AND SAID HORN AND ERECT COMMUNICATION FROM THE ANNULAR PRESSURE-GAS INLET TO THE CHAMBER IN SAID HOUSING AND SAID HORN BETWEEN SAID DISK AND SAID FIRST AND SECOND VALVE SEATS.
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |