US3082334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piezo-electric pressure transducer
Assignee: Schweizerische Lokomotiv und Maschinenfabrik AG (SLM)
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Filing: 1960-06-13
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Granted: 1963-03-19
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Expires: 1980-06-13
Abstract
No abstract record available.
Inventors
- 👤 Riesen Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:00
CPC Classifications
G; G01; G01L; G01L23/00; G01L23/08; G01L23/10; Y; Y10; Y10S; Y10S73/00; Y10S73/04; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN COMBINATION, A PIEZO-ELECTRIC PRESSURE TRANSDUCER, PARTICULARLY FOR MEASURING HIGH FREQUENCY OSCILLATIONS AND PRESSURE SHOCK WAVES, SAID TRANSDUCER HAVING A HOUSING, A CLOSED CHAMBER IN SAID HOUSING AND A PRESSURE RESPONSIVE CRYSTAL IN SAID CHAMBER, SAID COMBINATION FURTHER COMPRISING A HOLDING SLEEVE SURROUNDING SAID TRANSDUCER HOUSING AND HAVING A FIRST PORTION TIGHTLY ENGAGING SAID HOUSING OVER A PORTION ONLY OF ITS AXIAL LENGTH, AND TWO FURTHER SLEEVE PORTIONS AXIALLY EXTENDING FROM OPPOSITE ENDS OF SAID FIRST SLEEVE PORTION AND HAVING RADIAL DIMENSIONS GREATER THAN SAID FIRST SLEEVE PORTION, A MOUNTING FOR SAID TRANSDUCER HAVING AN APERTURE THERETHROUGH WITH A SHOULDER THEREAROUND, ONE OF SAID FURTHER SLEEVE PORTIONS ABUTTING SAID SHOULDER, AND A CLAMPING MEMBER
Claim 2
Dependent Claim
114 words
IN COMBINATION, A PIEZO-ELECTRIC PRESSURE TRANSDUCER, PARTICULARLY FOR MEASURING HIGH FREQUENCY OSCILLATIONS AND PRESSURE SHOCK WAVES, SAID TRANSDUCER HAVING A HOUSING, A CLOSED CHAMBER IN SAID HOUSING AND A PRESSURE RESPONSIVE CRYSTAL IN SAID CHAMBER, SAID COMBINATION FURTHER COMPRISING A HOLDING SLEEVE SURROUNDING SAID TRANSDUCER HOUSING AND HAVING A FIRST PORTION TIGHTLY ENGAGING SAID HOUSING OVER A PORTION ONLY OF ITS AXIAL LENGTH, AND TWO FURTHER SLEEVE PORTIONS AXIALLY EXTENDING FROM OPPOSITE ENDS OF SAID FIRST SLEEVE PORTION AND HAVING RADIAL DIMENSIONS GREATER THAN SAID FIRST SLEEVE PORTION, A MOUNTING FOR SAID TRANSDUCER HAVING AN APERTURE THERETHROUGH WITH A SHOULDER THEREAROUND, ONE OF SAID FURTHER SLEEVE PORTIONS ABUTTING SAID SHOULDER, AND A CLAMPING MEMBER
References Cited (Backward Citations)
US2917642A
Cited
US2896138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |