Patent US3254536A successfully refreshed from Google Patents.
US3254536A
Expired / Lapsed
US
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Pressure transducer
Assignee: Bissett Berman Corp
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Filing: 1963-07-30
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Granted: 1966-06-07
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Expires: 1983-07-30
Abstract
No abstract record available.
Inventors
- 👤 Neil L Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:41
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0001; G01L9/0004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A PRESSURE TRANSDUCER FOR MEASURING THE PRESSURE OF A FLUID INDEPENDENTLY OF OTHER PARAMETERS SUCH AS AMBIENT TEMPERATURE, INCLUDING: SENSING MEANS CONSTRUCTED TO EXPAND IN A PARTICULAR DIRECTION AND CONSTRUCTED TO DEFINE A CAVITY, MEANS OPERATIVELY COUPLED TO THE SENSING MEANS FOR INTRODUCING THE FLUID INTO THE CAVITY TO OBTAIN AN EXPANSION OF THE SENSING MEANS IN THE PARTICULAR DIRECTION IN ACCORDANCE WITH THE PRESSURE OF THE FLUID AND IN ACCORDANCE WITH THE AMBIENT TEMPERATURE, REFERENCE MEANS DISPOSED SYMMETRICALLY RELATIVE TO THE SENSING MEANS AND CONSTRUCTED TO EXPAND IN THE PARTICULAR DIRECTION IN ACCORDANCE WITH THE AMBIENT TEMPERATURE, THE REFERENCE MEANS HAVING PROPERTIES TO EXPAND IN THE PARTICULAR DIRECTION AT SUBSTANTIALLY THE SAME RATE AS THE SENSING MEANS IN RESPONSE TO THE AMBIENT TEMPERATURE, AND OUTPUT MEANS OPERATIVELY COUPLED TO THE SENSING MEANS AND TO THE REFERENCE MEANS TO PRODUCE AN OUTPUT SIGNAL HAVING CHARACTERISTICS REPRESEING ANY DIFFERENCES IN THE EXPANSIONS OF THE SENSING MEANS AND THE REFERENCE MEANS IN THE PARTICULAR DIRECTION.
Claim 2
Dependent Claim
163 words
A PRESSURE TRANSDUCER FOR MEASURING THE PRESSURE OF A FLUID INDEPENDENTLY OF OTHER PARAMETERS SUCH AS AMBIENT TEMPERATURE, INCLUDING: SENSING MEANS CONSTRUCTED TO EXPAND IN A PARTICULAR DIRECTION AND CONSTRUCTED TO DEFINE A CAVITY, MEANS OPERATIVELY COUPLED TO THE SENSING MEANS FOR INTRODUCING THE FLUID INTO THE CAVITY TO OBTAIN AN EXPANSION OF THE SENSING MEANS IN THE PARTICULAR DIRECTION IN ACCORDANCE WITH THE PRESSURE OF THE FLUID AND IN ACCORDANCE WITH THE AMBIENT TEMPERATURE, REFERENCE MEANS DISPOSED SYMMETRICALLY RELATIVE TO THE SENSING MEANS AND CONSTRUCTED TO EXPAND IN THE PARTICULAR DIRECTION IN ACCORDANCE WITH THE AMBIENT TEMPERATURE, THE REFERENCE MEANS HAVING PROPERTIES TO EXPAND IN THE PARTICULAR DIRECTION AT SUBSTANTIALLY THE SAME RATE AS THE SENSING MEANS IN RESPONSE TO THE AMBIENT TEMPERATURE, AND OUTPUT MEANS OPERATIVELY COUPLED TO THE SENSING MEANS AND TO THE REFERENCE MEANS TO PRODUCE AN OUTPUT SIGNAL HAVING CHARACTERISTICS REPRESEING ANY DIFFERENCES IN THE EXPANSIONS OF THE SENSING MEANS AND THE REFERENCE MEANS IN THE PARTICULAR DIRECTION.
References Cited (Backward Citations)
US2037949A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |