Patent US3242449A successfully refreshed from Google Patents.
US3242449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure transducers
Assignee: Statham Instruments Inc
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Filing: 1962-01-02
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Granted: 1966-03-22
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Expires: 1982-01-02
Abstract
No abstract record available.
Inventors
- 👤 Cecil K Stedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:57
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0001; A; A61; A61B; A61B5/00; A61B5/02; A61B5/021; A61B5/0215
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A PRESSURE TRANSDUCER COMPRISING: (A) A SLEEVE MEMBER OF NON-CIRCULAR LATERAL CROSS SECTION WHEREIN AREAS OF THE SIDES THEREOF UNDER PRESSURE FLEXURE EXHIBIT TENSIONAL STRAIN AND COMPRESSIONAL STRAIN IN ALTERNATE RADIALLY RELATED SECTORS EXTENDING GENERALLY LONGITUDINALLY ALONG THE SIDES OF THE SLEEVE MEMBER, WITH RELATIVELY NON-STRAINED BOUNDARY AREAS EXTENDING AXIALLY OF SAID SLEEVE MEMBER BETWEEN SAID STRAIN SECTORS; (B) MEANS DEFINING A PLURALITY OF ELECTROCONDUCTIVE BRIDGE ARMS EXTENDING IN A CONTINUOUS PATTERN AROUND SAID SLEEVE MEMBER, WITH EACH SUCH BRIDGE ARM DISPOSED ESSENTIALLY WITHIN A SINGLE STRAIN SECTOR; AND (C) RELATIVELY LOW RESISTANCE INPUT AND OUTPUT CONDUCTOR MEANS OCCUPYING SUCH AXIALLY EXTENDING BOUNDARY AREAS AND ELECTRICALLY INTERCONNECTED WITH SAID ELECTROCONDUCTIVE BRIDGE ARMS AT LOCATIONS SUBSTANTIALLY WITHIN THE SAID BOUNDARY AREAS.
Claim 2
Dependent Claim
120 words
A PRESSURE TRANSDUCER COMPRISING: (A) A SLEEVE MEMBER OF NON-CIRCULAR LATERAL CROSS SECTION WHEREIN AREAS OF THE SIDES THEREOF UNDER PRESSURE FLEXURE EXHIBIT TENSIONAL STRAIN AND COMPRESSIONAL STRAIN IN ALTERNATE RADIALLY RELATED SECTORS EXTENDING GENERALLY LONGITUDINALLY ALONG THE SIDES OF THE SLEEVE MEMBER, WITH RELATIVELY NON-STRAINED BOUNDARY AREAS EXTENDING AXIALLY OF SAID SLEEVE MEMBER BETWEEN SAID STRAIN SECTORS; (B) MEANS DEFINING A PLURALITY OF ELECTROCONDUCTIVE BRIDGE ARMS EXTENDING IN A CONTINUOUS PATTERN AROUND SAID SLEEVE MEMBER, WITH EACH SUCH BRIDGE ARM DISPOSED ESSENTIALLY WITHIN A SINGLE STRAIN SECTOR; AND (C) RELATIVELY LOW RESISTANCE INPUT AND OUTPUT CONDUCTOR MEANS OCCUPYING SUCH AXIALLY EXTENDING BOUNDARY AREAS AND ELECTRICALLY INTERCONNECTED WITH SAID ELECTROCONDUCTIVE BRIDGE ARMS AT LOCATIONS SUBSTANTIALLY WITHIN THE SAID BOUNDARY AREAS.
References Cited (Backward Citations)
US2621276A
Cited
US2729730A
Cited
US2601781A
Cited
US2634721A
Cited
US2784593A
Cited
US2808351A
Cited
US2981911A
Cited
US2989714A
Cited
US3046788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |