US3346838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure sensitive detector for marine seismic exploration
Assignee: Mandrel Industries Inc
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Filing: 1965-05-03
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Granted: 1967-10-10
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Expires: 1985-05-03
Abstract
No abstract record available.
Inventors
- 👤 Iii Walter P Johnson
- 👤 Eugene F Florian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:27
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0603; G; G01; G01L; G01L1/00; G01L1/16; G01V; G01V1/00; G01V1/16; G01V1/20; G01V1/201; G01V1/38
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
PRESSURE SENSITIVE DETECTOR MEANS COMPRISING A SEALED FLEXIBLE WATER IMPERVIOUS ELONGATED JACKET; A PLURALITY OF DETECTORS, DISPOSED IN LONGITUDINALL SPACED RELATION WITH SAID JACKET, EACH OF SAID DETECTORS INCLUDING A FLAT RECTANGULAR PIEZOELECTRIC CRYSTAL SLAB, FLEXIBLE CONTACT ELEMENTS CONDUCTIVELY SECURED TO THE OPPOSITE FACES OF SAID SLAB TO FORM A TRANSDUCER SANDWICH ASSEMBLY, FULCRUM MEANS RIGIDLY SUPPORTING SAID ASSEMBLY ONLY ADJACENT OPPOSITE LONGITUDINAL ENDS OF SAID SLAB, AND A FLEXIBLE HOUSING SEALABLY ENCLOSING SAID TRANSDUCER ASSEMBLY AND FULCRUM MEANS WITH TERMINAL PORTIONS OF SAID CONTACT PLATES PROJECTING FROM SAID HOUSING; A PAIRED CONDUCTOR CABLE EXTENDING LONGITUDINALLY THROUGH SAID JACKET; MEANS CONNECTING SAID TERMINAL PORTIONS OF SAID CONTACT PLATES OF SAID DETECTORS RESPECTIVELY IN PARALLEL TO SAID CABLE; AND FLUID FILLING THE INTERIOR OF SAID JACKET.
References Cited (Backward Citations)
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Cited
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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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |