US3218591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transducer assembly
Assignee: Automated Specialties Inc
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Filing: 1960-05-09
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Granted: 1965-11-16
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Expires: 1980-05-09
Abstract
No abstract record available.
Inventors
- 👤 Caruthers Felix Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:01
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/20; G01D5/22; G01D5/225; G01D5/2258
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN A TRANSDUCER AT LEAST TWO SERIES-CONNECTED COAXIAL SECTIONS, A TERMINAL CONNECTED BETWEEN THE COIL SECTIONS AND A PAIR OF TERMINALS CONNECTED, RESPECTIVELY, TO THE ENDS OF THE RESPECTIVE COIL SECTIONS TO AFFORD ENERGIZATION OF THE TRANSDUCER IN AN IMPEDANCE BRIDGE CIRCUIT, AND A CORE ASSEMBLY INCLUDING A PLURALITY OF SECTIONS OF ALTERNATELY MAGNETIC AND NON-MAGNETIC MATERIAL MOVABLE CONCOMITANTLY TO PASS THROUGH THE COIL SECTIONS, EACH OF SAID CORE SECTIONS BEING OF SUBSTANTIALLY THE SAME LENGTH AS THE COIL SECTIONS, SAID CORE ASSEMBLY INCLUDING A CENTRAL TUBULAR CORE MEMBER, A SERIES OF RADIALLY EXTENDING SPACER MEMBERS CARRIED BY THE CORE MEMBER ALONG ITS LENGTH, SAID ALTERNATE MAGNETIC AND NONMAGNETIC SECTIONS OF THE CORE ASSEMBLY COMPRISING SLEEVE MEMBERS SURROUNDING THE TUBULAR CORE MEMBER SPACED THEREFROM AND CARRIED BY SAID SPACER MEMBERS, SAID MAGNETIC AND NONMAGNETIC SECTIONS BEING DISPOSED IN THE END-TO-END ABUTTING RELATIONSHIP AND THE SPACERS BEING DISPOSED AT THE RESPECTIVE ABUTMENT POINTS.
Claim 2
Dependent Claim
152 words
IN A TRANSDUCER AT LEAST TWO SERIES-CONNECTED COAXIAL SECTIONS, A TERMINAL CONNECTED BETWEEN THE COIL SECTIONS AND A PAIR OF TERMINALS CONNECTED, RESPECTIVELY, TO THE ENDS OF THE RESPECTIVE COIL SECTIONS TO AFFORD ENERGIZATION OF THE TRANSDUCER IN AN IMPEDANCE BRIDGE CIRCUIT, AND A CORE ASSEMBLY INCLUDING A PLURALITY OF SECTIONS OF ALTERNATELY MAGNETIC AND NON-MAGNETIC MATERIAL MOVABLE CONCOMITANTLY TO PASS THROUGH THE COIL SECTIONS, EACH OF SAID CORE SECTIONS BEING OF SUBSTANTIALLY THE SAME LENGTH AS THE COIL SECTIONS, SAID CORE ASSEMBLY INCLUDING A CENTRAL TUBULAR CORE MEMBER, A SERIES OF RADIALLY EXTENDING SPACER MEMBERS CARRIED BY THE CORE MEMBER ALONG ITS LENGTH, SAID ALTERNATE MAGNETIC AND NONMAGNETIC SECTIONS OF THE CORE ASSEMBLY COMPRISING SLEEVE MEMBERS SURROUNDING THE TUBULAR CORE MEMBER SPACED THEREFROM AND CARRIED BY SAID SPACER MEMBERS, SAID MAGNETIC AND NONMAGNETIC SECTIONS BEING DISPOSED IN THE END-TO-END ABUTTING RELATIONSHIP AND THE SPACERS BEING DISPOSED AT THE RESPECTIVE ABUTMENT POINTS.
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |