US3382470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lever operated pressure transducer
Assignee: Siemens Energy and Automation Inc
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Filing: 1966-09-21
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Granted: 1968-05-07
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Expires: 1986-09-21
Abstract
No abstract record available.
Inventors
- 👤 Paul J Kvistad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:14
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0041; G01L9/007; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18992
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN A PRESSURE TRANSDUCER, THE COMBINATION WITH A LINEAR VARIABLE DIFFERENTIAL TRANSFORMER HAVING A VERTICALLY MOVABLE METAL CORE AND WHEREIN THE RECTIFIED OUTPUT OF THE TRANSFORMER WILL VARY AS A FUNCTION OF THE CORE POSITION, OF A PRESSURE RESPONSIVE LEVER AND A CORE ACTUATING LEVER, MEANS RESPECTIVELY MOUNTING SAID LEVERS FOR LIMITED OSCILLATING MOVEMENT ON PARALLEL HORIZONTALLY SPACED AXES, THE CORE ACTUATING LEVER OVERLYING THE PRESSURE RESPONSIVE
Claim 2
Dependent Claim
67 words
IN A PRESSURE TRANSDUCER, THE COMBINATION WITH A LINEAR VARIABLE DIFFERENTIAL TRANSFORMER HAVING A VERTICALLY MOVABLE METAL CORE AND WHEREIN THE RECTIFIED OUTPUT OF THE TRANSFORMER WILL VARY AS A FUNCTION OF THE CORE POSITION, OF A PRESSURE RESPONSIVE LEVER AND A CORE ACTUATING LEVER, MEANS RESPECTIVELY MOUNTING SAID LEVERS FOR LIMITED OSCILLATING MOVEMENT ON PARALLEL HORIZONTALLY SPACED AXES, THE CORE ACTUATING LEVER OVERLYING THE PRESSURE RESPONSIVE
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) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |