Patent US3228240A successfully refreshed from Google Patents.
US3228240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linearization of load cells
Assignee: Individual
•
Filing: 1963-12-24
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Granted: 1966-01-11
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Expires: 1983-12-24
Abstract
No abstract record available.
Inventors
- 👤 Alfred N Ormond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:39
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/20; G01L1/22; G01L1/2268; G01L1/2275
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A LOAD CELL SPRING ELEMENT STRAIN GAUGE BRIDGE CIRCUIT FOR GENERATING AN OUTPUT SUBSTANTIALLY LINEARLY RELATED TO LOADS APPLIED TO THE SPRING ELEMENT, SAID CIRCUIT COMPRISING FOUR SIMILAR STRAIN GAUGING MEANS OPERATIVELY ATTACHED TO A SURFACE OF SAID SPRING ELEMENT AND CONNECTED TO DEFINE A FOUR-ARM BRIDGE NETWORK HAVING INPUT AND OUTPUT DIAGONALS, AND A CORRECTING STRAIN GAUGING MEANS CONNECTED SERIALLY WITH ONE OF SAID DIAGONALS AND OPERATIVELY ATTACHED TO A SPRING ELEMENT SURFACE AND GENERATING A VARIABLE SERIES IMPEDANCE IN ACCORDANCE WITH LOADS APPLIED TO SAID SPRING ELEMENT.
Claim 2
Dependent Claim
89 words
A LOAD CELL SPRING ELEMENT STRAIN GAUGE BRIDGE CIRCUIT FOR GENERATING AN OUTPUT SUBSTANTIALLY LINEARLY RELATED TO LOADS APPLIED TO THE SPRING ELEMENT, SAID CIRCUIT COMPRISING FOUR SIMILAR STRAIN GAUGING MEANS OPERATIVELY ATTACHED TO A SURFACE OF SAID SPRING ELEMENT AND CONNECTED TO DEFINE A FOUR-ARM BRIDGE NETWORK HAVING INPUT AND OUTPUT DIAGONALS, AND A CORRECTING STRAIN GAUGING MEANS CONNECTED SERIALLY WITH ONE OF SAID DIAGONALS AND OPERATIVELY ATTACHED TO A SPRING ELEMENT SURFACE AND GENERATING A VARIABLE SERIES IMPEDANCE IN ACCORDANCE WITH LOADS APPLIED TO SAID SPRING ELEMENT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |