Patent US3273376A successfully refreshed from Google Patents.
US3273376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Static and dynamic calibration vessel for pressure gages
Assignee: Individual
•
Filing: 1964-10-30
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Granted: 1966-09-20
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Expires: 1984-10-30
Abstract
No abstract record available.
Inventors
- 👤 Philip M Aronson
- 👤 Robert H Waser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:12
CPC Classifications
G; G01; G01L; G01L27/00; G01L27/002; G01L27/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
213 words
APPARATUS FOR A STATIC AND DYNAMIC CALIBRATION OF PRESSURE GAGES COMPRISING: A MAIN PRESSURE CHAMBER HAVING A CYLINDRICAL WALL PORTTION, FLAT TOP PORTION AND A FLAT BOTTOM PORTION, A CYLINDRICAL SLEEVE HAVING A COAXIAL PORTION THEREIN, SAID SLEEVE BEING MOUNTED ON SAID TOP FLAT PORTION SUCH THAT THE HOLE PORTION OF SAID SLEEVE IS IN COMMUNICATION WITH THE SAID MAIN PRESSURE CHAMBER, MEANS WITHIN THE HOLE PORTION OF SAID CYLINDRICAL SLEEVE FOR MOUNTING A TEST PRESSURE GAGE THEREIN, PORT MEANS IN SAID MAIN CHAMBER, POPPET VALVE MEANS WITHIN SAID MAIN CHAMBER AND ABUTTING SAID CYLINDRICAL SLEEVE IN THE AREA OF SAID HOLE PORTION SUCH THAT A SECOND CHAMBER IS PROVIDED BETWEEN A TEST PRESSURE GAGE AND SAID POPPET VALVE AND A SEAL IS PROVIDED BETWEEN SAID MAIN PRESSURE CHAMBER AND SAID SECOND CHAMBER, A COVER PORTION ON SAID SLEEVE FORMING A CHAMBER BETWEEN SAID COVER PORTION AND A PRESSURE GAGE, A SECOND PORT MEANS PNEUMATICALLY CONNECTED TO SAID SECOND CHAMBER, THIRD PORT MEANS PNEUMATICALLY CONNECTED TO SAID THIRD CHAMBER, MEANS RESISITIVELY URGING SAID POPPET VALVE AGAINST SAID CYLINDRICAL SLEEVE, MEANS FOR MOVING SAID POPPET VALVE AWAY FROM SAID CYLINDRICAL SLEEVE WHEREBY THE PRESSURE FROM SAID MAIN CHAMBER MAY BE APPLIED TO SAID TEST PRESSURE GAGE AND SAID TEST PRESSSURE GAGE MAY BE CALIBRATED.
Claim 2
Dependent Claim
213 words
APPARATUS FOR A STATIC AND DYNAMIC CALIBRATION OF PRESSURE GAGES COMPRISING: A MAIN PRESSURE CHAMBER HAVING A CYLINDRICAL WALL PORTTION, FLAT TOP PORTION AND A FLAT BOTTOM PORTION, A CYLINDRICAL SLEEVE HAVING A COAXIAL PORTION THEREIN, SAID SLEEVE BEING MOUNTED ON SAID TOP FLAT PORTION SUCH THAT THE HOLE PORTION OF SAID SLEEVE IS IN COMMUNICATION WITH THE SAID MAIN PRESSURE CHAMBER, MEANS WITHIN THE HOLE PORTION OF SAID CYLINDRICAL SLEEVE FOR MOUNTING A TEST PRESSURE GAGE THEREIN, PORT MEANS IN SAID MAIN CHAMBER, POPPET VALVE MEANS WITHIN SAID MAIN CHAMBER AND ABUTTING SAID CYLINDRICAL SLEEVE IN THE AREA OF SAID HOLE PORTION SUCH THAT A SECOND CHAMBER IS PROVIDED BETWEEN A TEST PRESSURE GAGE AND SAID POPPET VALVE AND A SEAL IS PROVIDED BETWEEN SAID MAIN PRESSURE CHAMBER AND SAID SECOND CHAMBER, A COVER PORTION ON SAID SLEEVE FORMING A CHAMBER BETWEEN SAID COVER PORTION AND A PRESSURE GAGE, A SECOND PORT MEANS PNEUMATICALLY CONNECTED TO SAID SECOND CHAMBER, THIRD PORT MEANS PNEUMATICALLY CONNECTED TO SAID THIRD CHAMBER, MEANS RESISITIVELY URGING SAID POPPET VALVE AGAINST SAID CYLINDRICAL SLEEVE, MEANS FOR MOVING SAID POPPET VALVE AWAY FROM SAID CYLINDRICAL SLEEVE WHEREBY THE PRESSURE FROM SAID MAIN CHAMBER MAY BE APPLIED TO SAID TEST PRESSURE GAGE AND SAID TEST PRESSSURE GAGE MAY BE CALIBRATED.
References Cited (Backward Citations)
US3034332A
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 |