US3244243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weighing of a load carried by a crane
Assignee: EK Cole Ltd
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Filing: 1963-03-01
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Granted: 1966-04-05
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Expires: 1983-03-01
Abstract
No abstract record available.
Inventors
- 👤 Eric C W Fielder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:59
CPC Classifications
G; G01; G01G; G01G19/00; G01G19/14; G01G19/18; G01G3/00; G01G3/12; G01G3/14; G01G3/142
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
AN AN APPARATUS FOR INDICATING THE MASS OF A LOAD WHILST BEING LIFTED IN A MACHINE, A MEMBER OF THE MACHINE WHICH SUFFERS STRAIN UNDER THE FORCE EXERTED BY THE LOAD, A LOAD CELL OPERATIVELY CONNECTED WITH SAID MEMBER INFLUENCED BY SAID STRAIN, AN ELECTRICAL CIRCUIT FOR THE LOAD CELL ADAPTED TO GIVE AN ELECTRICAL SIGNAL PROPORTIONAL TO SAID FORCE, MEANS FOR PROVIDING A SECOND SIGNAL WHICH IS A FUNCTION OF THE FIRST DIFFERENTIAL OF THE VELOCITY OF THE LOAD WITH TIME, AND AN INDICATION CIRCUIT FOR COMBINING THE TWO SIGNALS TO GIVE AN INDICATION REPRESENTING THE MASS OF THE LOAD.
Claim 2
Dependent Claim
101 words
AN AN APPARATUS FOR INDICATING THE MASS OF A LOAD WHILST BEING LIFTED IN A MACHINE, A MEMBER OF THE MACHINE WHICH SUFFERS STRAIN UNDER THE FORCE EXERTED BY THE LOAD, A LOAD CELL OPERATIVELY CONNECTED WITH SAID MEMBER INFLUENCED BY SAID STRAIN, AN ELECTRICAL CIRCUIT FOR THE LOAD CELL ADAPTED TO GIVE AN ELECTRICAL SIGNAL PROPORTIONAL TO SAID FORCE, MEANS FOR PROVIDING A SECOND SIGNAL WHICH IS A FUNCTION OF THE FIRST DIFFERENTIAL OF THE VELOCITY OF THE LOAD WITH TIME, AND AN INDICATION CIRCUIT FOR COMBINING THE TWO SIGNALS TO GIVE AN INDICATION REPRESENTING THE MASS OF THE LOAD.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |