US3221281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transducer cartridge for precision gages
Assignee: Bendix Corp
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Filing: 1962-11-13
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Granted: 1965-11-30
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Expires: 1982-11-13
Abstract
No abstract record available.
Inventors
- 👤 Richard E Roeger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:51
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/20; G01D5/204; G01D5/2046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A TRANSDUCER FOR A GAGE, COMPARATOR OR THE LIKE COMPRISING: MAGNETIC HOUSING MEANS, A PAIR OF COAXIALLY SPACED SECONDARY COILS IN SAID HOUSING MEANS, A PRIMARY COIL IN SAID HOUSING MEANS DISPOSED INTERMEDIATE SAID SECONDARY COILS AND COAXIAL THEREWITH, A MAGNETIC PICKUP PIN FOR EACH OF SAID SECONDARY COILS, SAID PICKUP PINS BEING MOUNTED IN SAID HOUSING TO EXTEND AXIALLY INTO SAID SECONDARY COILS AT LEAST HALF THE AXIAL LENGTH OF SAID SECONDARY COILS, AN ARMATURE MOUNTED IN SAID HOUSING FOR RECIPROCATION ALONG THE AXIS OF SAID COILS, SAID ARMATURE HAVING NON MAGNETIC END PORTIONS DISPOSED AT LEAST PARTLY WITHIN SAID PICKUP PINS AND A MAGNETIC CENTRAL PORTION DISPOSED INTERMEDIATE SAID PICKUP PINS, WHEREBY RECIPRO-
Claim 2
Dependent Claim
116 words
IN A TRANSDUCER FOR A GAGE, COMPARATOR OR THE LIKE COMPRISING: MAGNETIC HOUSING MEANS, A PAIR OF COAXIALLY SPACED SECONDARY COILS IN SAID HOUSING MEANS, A PRIMARY COIL IN SAID HOUSING MEANS DISPOSED INTERMEDIATE SAID SECONDARY COILS AND COAXIAL THEREWITH, A MAGNETIC PICKUP PIN FOR EACH OF SAID SECONDARY COILS, SAID PICKUP PINS BEING MOUNTED IN SAID HOUSING TO EXTEND AXIALLY INTO SAID SECONDARY COILS AT LEAST HALF THE AXIAL LENGTH OF SAID SECONDARY COILS, AN ARMATURE MOUNTED IN SAID HOUSING FOR RECIPROCATION ALONG THE AXIS OF SAID COILS, SAID ARMATURE HAVING NON MAGNETIC END PORTIONS DISPOSED AT LEAST PARTLY WITHIN SAID PICKUP PINS AND A MAGNETIC CENTRAL PORTION DISPOSED INTERMEDIATE SAID PICKUP PINS, WHEREBY RECIPRO-
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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |