US2747407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring the pressure of fluids located within bodies of solid material
Assignee: H Maihak AG
•
Filing: 1953-02-06
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Granted: 1956-05-29
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Expires: 1973-02-06
Abstract
No abstract record available.
Inventors
- 👤 Knoll Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:15
CPC Classifications
E; E21; E21B; E21B47/00; E21B47/06; G; G01; G01L; G01L19/00; G01L19/06; G01L19/0627; G01L19/0636
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
APPARATUS FOR MEASURING THE PRESSURE OF FLUID LOCATED WITHIN A BODY OF SOLID MATERIAL, COMPRISING, IN COMBINATION, A HOLLOW SUPPORTED ADAPTED TO BE LOCATED IN THE BODY OF MATERIAL; A MEMBRANE EXTENDING ACROSS AND CARRIED BY SAID HOLLOW SUPPORT FOR SENSING THE PRESSURE OF THE FLUID IN THE BODY OF SOLID MATERIAL; TRANSMISSION MEANS IN SAID HOLLOW SUPPORT OPERATIVELY ENGAGING SAID MEMBRANE FOR TRANSMITTING MOVEMENT THEREOF WITH RESPECT TO
Claim 2
Dependent Claim
69 words
APPARATUS FOR MEASURING THE PRESSURE OF FLUID LOCATED WITHIN A BODY OF SOLID MATERIAL, COMPRISING, IN COMBINATION, A HOLLOW SUPPORTED ADAPTED TO BE LOCATED IN THE BODY OF MATERIAL; A MEMBRANE EXTENDING ACROSS AND CARRIED BY SAID HOLLOW SUPPORT FOR SENSING THE PRESSURE OF THE FLUID IN THE BODY OF SOLID MATERIAL; TRANSMISSION MEANS IN SAID HOLLOW SUPPORT OPERATIVELY ENGAGING SAID MEMBRANE FOR TRANSMITTING MOVEMENT THEREOF WITH RESPECT TO
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US2604787A
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US2448298A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |