US3273400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure cell
Assignee: DYNISCO DIVISION OF AMERICAN B
•
Filing: 1964-09-08
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Granted: 1966-09-20
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Expires: 1984-09-08
Abstract
No abstract record available.
Inventors
- 👤 Harvey L Pastan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:24
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0001; G01L9/0002; G01L19/00; G01L19/0007; G01L19/0046; G01L19/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
97 words
A PRESSURE TRANSDUCER COMPRISING A DEFORMABLE CYLINDRICAL WALL, MEANS DISPOSED WITHIN AND ABOUT THE WALL COOPERATING WITH IT TO FORM TWO AXIALLY DISPLACED CHAMBERS, SAID MEANS BEING OF SUBSTANTIALLY GREATER MASS THAN THE WALL AND BEING NONDEFORMABLE WITHIN THE CONTEMPLATED PRESSURE RANGE OF THE TRANSDUCER, ONE OF SAID CHAMBERS BEING DEFINED BY THE INNER SURFACE AND THE OTHER BY THE OUTER SURFACE OF SAID WALL, MEANS FOR IMPRESSING THE PRESSURE OF THE FLUID BEING MEASURED UPON THE WALLS OF THE CHAMBERS, AND MEANS FOR MEASURING THE DEFORMATION OF THE DEFORMABLE WALL IN RESPONSE TO THE IMPRESSED PRESSURE.
References Cited (Backward Citations)
US2942219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |