Patent US3237449A successfully refreshed from Google Patents.
US3237449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Force measuring device
Assignee: Individual
•
Filing: 1962-08-28
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Granted: 1966-03-01
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Expires: 1982-08-28
Abstract
No abstract record available.
Inventors
- 👤 Brandt Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:30
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/08; G01L1/086; G01L13/00; G01L13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN A DEVICE OF THE CLASS DESCRIBED, THE COMBINATION OF: A BEAM SUPPORTED FOR SWINGING ABOUT AN AXIS AND HAVING A LOAD-BEARING PORTION FOR PRODUCING A FIRST MOMENT ON SAID BEAM PROPORTIONAL TO THE AMOUNT OF LOAD ON SAID PORTION, AT LEAST ONE VARIABLE CAPACITANCE OPERATIVELY INTERCONNECTED WITH SAID BEAM AND MOVABLE THEREWITH TO VARY SAID CAPACITANCE AS SAID BEAM MOVES, A FREE-RUNNING MULTIVIBRATOR FOR GENERATING AT LEAST ONE TRAIN OF SQUAREWAVES, SAID CAPACITANCE BEING DISPOSED IN SAID MULTIVIBRATOR AND EFFECTIVE TO DETERMINE THE DURATIONS OF SAID SQUAREWAVES, MEANS RESPONSIVE TO THE DURATIONS OF SAID WAVETRAIN AND OPERATIVELY INTERCONNECTED WITH THE BEAM FOR APPLYING A SECOND MOMENT TO SAID BEAM THAT IS EQUAL AND OPPOSITE TO SAID FIRST MOMENT AND INCLUDING AN OUTPUT MEANS TO APPLY A SIGNAL INDICATIVE OF THE AMOUNT OF LOAD ON SAID PORTION TO AN INDICATOR.
Claim 2
Dependent Claim
140 words
IN A DEVICE OF THE CLASS DESCRIBED, THE COMBINATION OF: A BEAM SUPPORTED FOR SWINGING ABOUT AN AXIS AND HAVING A LOAD-BEARING PORTION FOR PRODUCING A FIRST MOMENT ON SAID BEAM PROPORTIONAL TO THE AMOUNT OF LOAD ON SAID PORTION, AT LEAST ONE VARIABLE CAPACITANCE OPERATIVELY INTERCONNECTED WITH SAID BEAM AND MOVABLE THEREWITH TO VARY SAID CAPACITANCE AS SAID BEAM MOVES, A FREE-RUNNING MULTIVIBRATOR FOR GENERATING AT LEAST ONE TRAIN OF SQUAREWAVES, SAID CAPACITANCE BEING DISPOSED IN SAID MULTIVIBRATOR AND EFFECTIVE TO DETERMINE THE DURATIONS OF SAID SQUAREWAVES, MEANS RESPONSIVE TO THE DURATIONS OF SAID WAVETRAIN AND OPERATIVELY INTERCONNECTED WITH THE BEAM FOR APPLYING A SECOND MOMENT TO SAID BEAM THAT IS EQUAL AND OPPOSITE TO SAID FIRST MOMENT AND INCLUDING AN OUTPUT MEANS TO APPLY A SIGNAL INDICATIVE OF THE AMOUNT OF LOAD ON SAID PORTION TO AN INDICATOR.
References Cited (Backward Citations)
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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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |