US3168826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Atmospheric pressure compensation of load cells
Assignee: Individual
•
Filing: 1961-04-12
•
Granted: 1965-02-09
•
Expires: 1981-04-12
Abstract
No abstract record available.
Inventors
- 👤 Paetow Jurgen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:36
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/20; G01L1/22; G01L1/2268
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
A FORCE MEASURING DEVICE COMPRISING AN AIRTIGHT HOUSING, A FORCE RESPONSIVE ELEMENT, MEANS MOUNTING SAID FORCE RESPONSIVE ELEMENT IN SAID HOUSING WITH AT LEAST ONE PART THEREOF FIXED IN RELATION TO SAID HOUSING, MEANS EXTENDING FROM ANOTHER PART OF THE FORCE RESPONSIVE ELEMENT TO THE EXTERIOR OF THE HOUSING FOR TRANSMITTING FORCES TO SAID ELEMENT RESPONSIVE TO AN APPLIED LOAD TO BE MEASURED, MEANS SEALING THE FORCE TRANSMITTING MEANS WITH SAID HOUSING AND THEREBY SUBJECTING SAID OTHER PART OF SAID ELEMENT TO AMBIENT ENVIRONMENTAL PRESSURE FORCE IN ONE DIRECTION, OTHER MEANS SEALING SAID OTHER PART OF SAID ELEMENT WITH SAID HOUSING AND SUBJECTING SAID OTHER PART OF SAID FORCE RESPONSIVE ELEMENT TO AN AMBIENT ENVIRONMENTAL PRESSURE FORCE SUBSTANTIALLY EQUAL IN MAGNITUDE BUT OPPOSITE IN DIRECTION TO THE OTHER PRESSURE FORCE ACTING ON THE FORCE RESPONSIVE ELEMENT, THEREBY TO ELIMINATE THE EFFECTS OF CHANGES IN SAID AMBIENT ENVIRONMENTAL PRESSURE ON THE FORCE RESPONSIVE ELEMENT, THE FORCE TRANSMITTING MEANS AND FORCE RESPONSIVE ELEMENT BEING IN COAXIAL COLUMN FORMATION AND THE OPPOSING SEALING MEANS COMPRISING ANNULAR DIAPHRAGMS EXTENDING SUBSTANTIALLY RADIALLY WITH RESPECT TO THE COLUMN AXIS FOR CONNECTION TO THE HOUSING.
Claim 2
Dependent Claim
188 words
A FORCE MEASURING DEVICE COMPRISING AN AIRTIGHT HOUSING, A FORCE RESPONSIVE ELEMENT, MEANS MOUNTING SAID FORCE RESPONSIVE ELEMENT IN SAID HOUSING WITH AT LEAST ONE PART THEREOF FIXED IN RELATION TO SAID HOUSING, MEANS EXTENDING FROM ANOTHER PART OF THE FORCE RESPONSIVE ELEMENT TO THE EXTERIOR OF THE HOUSING FOR TRANSMITTING FORCES TO SAID ELEMENT RESPONSIVE TO AN APPLIED LOAD TO BE MEASURED, MEANS SEALING THE FORCE TRANSMITTING MEANS WITH SAID HOUSING AND THEREBY SUBJECTING SAID OTHER PART OF SAID ELEMENT TO AMBIENT ENVIRONMENTAL PRESSURE FORCE IN ONE DIRECTION, OTHER MEANS SEALING SAID OTHER PART OF SAID ELEMENT WITH SAID HOUSING AND SUBJECTING SAID OTHER PART OF SAID FORCE RESPONSIVE ELEMENT TO AN AMBIENT ENVIRONMENTAL PRESSURE FORCE SUBSTANTIALLY EQUAL IN MAGNITUDE BUT OPPOSITE IN DIRECTION TO THE OTHER PRESSURE FORCE ACTING ON THE FORCE RESPONSIVE ELEMENT, THEREBY TO ELIMINATE THE EFFECTS OF CHANGES IN SAID AMBIENT ENVIRONMENTAL PRESSURE ON THE FORCE RESPONSIVE ELEMENT, THE FORCE TRANSMITTING MEANS AND FORCE RESPONSIVE ELEMENT BEING IN COAXIAL COLUMN FORMATION AND THE OPPOSING SEALING MEANS COMPRISING ANNULAR DIAPHRAGMS EXTENDING SUBSTANTIALLY RADIALLY WITH RESPECT TO THE COLUMN AXIS FOR CONNECTION TO THE HOUSING.
References Cited (Backward Citations)
FR934316A
Cited
US3024649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |