US3189909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tachometer
Assignee: Technical Oil Tool Corp
•
Filing: 1961-12-04
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Granted: 1965-06-15
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Expires: 1981-12-04
Abstract
No abstract record available.
Inventors
- 👤 Suter Oswald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:16
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/12; G01P1/122; G01P3/00; G01P3/26; G01P3/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN A RECORDING TACHOMETER INCLUDING A STYLUS MEANS MOVABLE RELATIVE TO A RECORDING SURFACE, APPARATUS COMPRISING: A FLUID PUMP HAVING A FLUID INLET CONNECTION AND A FLUID OUTLET CONNECTION; MEANS FOR DRIVINGLY COUPLING SAID PUMP TO A ROTATING BODY, THE RATE OF ROTATION OF WHICH IS TO BE MEASURED; FLUID SUPPLY MEANS CONNECTED TO SAID INLET CONNECTION AND SAID OUTLET CONNECTION, WHEREBY FLUID MAY BE CIRCULATED BY SAID PUMP THROUGH A CONTINUOUS CIRCULATORY SYSTEM WHICH INCLUDES SAID SUPPLY MEANS, SAID INLET CONNECTION, SAID PUMP, AND SAID OUTLET CONNECTION; FLUID FLOW RESISTANCE MEANS CONNECTED IN SAID CIRCULATORY SYSTEM; MENS FOR MAINTAINING THE TEMPERATURE OF SAID FLUID PUMP, SAID FLUID INLET CONNECTION, SAID FLUID OUTLET CONNECTION, AND FLUID SUPPLY MEANS AT SUBSTANTIALLY CONSTANT TEMPERATURE; AND MEANS CONNECTED TO SAID CIRCULATORY SYSTEM AND ACTUATED IN RESPONSE TO FLUID PRESSURE DIFFERENTIAL ACROSS SAID FLOW RESISTANCE MEANS FOR MOVING SAID STYLUS RELATIVE TO SAID RECORDING SURFACE IN ACCORD-
Claim 2
Dependent Claim
153 words
IN A RECORDING TACHOMETER INCLUDING A STYLUS MEANS MOVABLE RELATIVE TO A RECORDING SURFACE, APPARATUS COMPRISING: A FLUID PUMP HAVING A FLUID INLET CONNECTION AND A FLUID OUTLET CONNECTION; MEANS FOR DRIVINGLY COUPLING SAID PUMP TO A ROTATING BODY, THE RATE OF ROTATION OF WHICH IS TO BE MEASURED; FLUID SUPPLY MEANS CONNECTED TO SAID INLET CONNECTION AND SAID OUTLET CONNECTION, WHEREBY FLUID MAY BE CIRCULATED BY SAID PUMP THROUGH A CONTINUOUS CIRCULATORY SYSTEM WHICH INCLUDES SAID SUPPLY MEANS, SAID INLET CONNECTION, SAID PUMP, AND SAID OUTLET CONNECTION; FLUID FLOW RESISTANCE MEANS CONNECTED IN SAID CIRCULATORY SYSTEM; MENS FOR MAINTAINING THE TEMPERATURE OF SAID FLUID PUMP, SAID FLUID INLET CONNECTION, SAID FLUID OUTLET CONNECTION, AND FLUID SUPPLY MEANS AT SUBSTANTIALLY CONSTANT TEMPERATURE; AND MEANS CONNECTED TO SAID CIRCULATORY SYSTEM AND ACTUATED IN RESPONSE TO FLUID PRESSURE DIFFERENTIAL ACROSS SAID FLOW RESISTANCE MEANS FOR MOVING SAID STYLUS RELATIVE TO SAID RECORDING SURFACE IN ACCORD-
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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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |