Patent US3123754A successfully refreshed from Google Patents.
US3123754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure transducer system
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:54
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/04; G05D1/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A FLUID PRESSURE TRANSDUCER WHICH COMPRISES: A BALANCE BEAM SUPPORTED FOR A MOVEMENT ABOUT A FULCRUM; PRESSURE RESPONSIVE BELLOWS MEANS OPERATIVELY CONNECTED TO SAID BALANCE BEAM FOR MOVEMENT THEREOF; ELECTRICAL MEANS ADAPTED TO PRODUCE A SIGNAL INDICATIVE OF THE MOVEMENT OF SAID BALANCE BEAM; MOTOR MEANS ROTATING AN OUTPUT SHAFT AND A FEEDBACK SHAFT IN RESPONSE TO SAID SIGNAL, THE ROTATION OF BOTH OF SAID SHAFTS BEING RELATED IN MAGNITUDE AND DIRECTION TO THE MOVEMENT OF SAID BALANCE BEAM;
Claim 2
Dependent Claim
79 words
A FLUID PRESSURE TRANSDUCER WHICH COMPRISES: A BALANCE BEAM SUPPORTED FOR A MOVEMENT ABOUT A FULCRUM; PRESSURE RESPONSIVE BELLOWS MEANS OPERATIVELY CONNECTED TO SAID BALANCE BEAM FOR MOVEMENT THEREOF; ELECTRICAL MEANS ADAPTED TO PRODUCE A SIGNAL INDICATIVE OF THE MOVEMENT OF SAID BALANCE BEAM; MOTOR MEANS ROTATING AN OUTPUT SHAFT AND A FEEDBACK SHAFT IN RESPONSE TO SAID SIGNAL, THE ROTATION OF BOTH OF SAID SHAFTS BEING RELATED IN MAGNITUDE AND DIRECTION TO THE MOVEMENT OF SAID BALANCE BEAM;
References Cited (Backward Citations)
US2734949A
Cited
US1131953A
Cited
US2277681A
Cited
US2322031A
Cited
US2322810A
Cited
US2465775A
Cited
US2557092A
Cited
US2453861A
Cited
US2598674A
Cited
US2595813A
Cited
US2634747A
Cited
US2713795A
Cited
US2729780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |