Patent US3397578A successfully refreshed from Google Patents.
US3397578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion amplifying mechanism for pressure responsive instrument movement
Assignee: Taylor Instrument Co
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Filing: 1965-09-27
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Granted: 1968-08-20
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Expires: 1985-09-27
Abstract
No abstract record available.
Inventors
- 👤 Harvey A Klumb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:30
CPC Classifications
G; G01; G01L; G01L7/00; G01L7/02; G01L7/10; G01L7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
215 words
IN A PRESSURE RESPONSIVE INSTRUMENT HAVING A PRESSURE RESPONSIVE CHAMBER INCLUDING A WALL PORTION MOVABLE IN RESPONSE TO CHANGE IN FLUID PRESSURE THEREON, THE IMPROVEMENT COMPRISING A PLATE MEANS AND A LEAF SPRING; WING MEANS ON SAID PLATE MEANS, SAID WING MEANS BEING SPACED APART IN ORDER TO ACCOMMODATE THE LENGTH OF SAID LEAF SPRING; SAID LEAF SPRING BEING HELD BETWEEN SAID WING MEANS WITH ITS SAID LENGTH RUNNING BETWEEN SAID WING MEANS; ONE END OF SAID LEAF SPRING BEING HELD IN SUBSTANTIALLY FIXED POSITION BETWEEN SAID PLATE MEANS AND ONE OF SAID WING MEANS, AND THE OTHER END THEREOF BEING HELD IN SUBSTANTIALLY FIXED POSITION BETWEEN SAID PLATE MEANS AND THE OTHER OF SAID WING MEANS; SAID PRESSURE RESPONSIVE CHAMBER BEING MOUNTED ON THE INTERMEDIATE PORTION OF SAID LEAF SPRING SUBSTANTIALLY EQUIDISTANT FROM EACH SAID END, AND ADJUSTABLE MEANS MOVABLE IN SUCH DIRECTION INTO ENGAGEMENT WITH SAID LEAF SPRING AT SAID PORTION AS TO FORCE THE SAID INTERMEDIATE PORTION OF SAID LEAF SPRING AWAY FROM THE PLATE MEANS; SAID WING MEANS BEING IN THE FORM OF A PAIR OF TROUGHED MEMBERS EACH HAVING A TROUGH POSITIONED TO RECEIVE THE ENDS OF SAID SPRING LEAF, ONE SIDE OF EACH SAID TROUGH OVERLYING A SAID END AND THE NEXT ADJACENT SURFACE PORTION OF SAID PLATE MEANS.
Claim 2
Dependent Claim
215 words
IN A PRESSURE RESPONSIVE INSTRUMENT HAVING A PRESSURE RESPONSIVE CHAMBER INCLUDING A WALL PORTION MOVABLE IN RESPONSE TO CHANGE IN FLUID PRESSURE THEREON, THE IMPROVEMENT COMPRISING A PLATE MEANS AND A LEAF SPRING; WING MEANS ON SAID PLATE MEANS, SAID WING MEANS BEING SPACED APART IN ORDER TO ACCOMMODATE THE LENGTH OF SAID LEAF SPRING; SAID LEAF SPRING BEING HELD BETWEEN SAID WING MEANS WITH ITS SAID LENGTH RUNNING BETWEEN SAID WING MEANS; ONE END OF SAID LEAF SPRING BEING HELD IN SUBSTANTIALLY FIXED POSITION BETWEEN SAID PLATE MEANS AND ONE OF SAID WING MEANS, AND THE OTHER END THEREOF BEING HELD IN SUBSTANTIALLY FIXED POSITION BETWEEN SAID PLATE MEANS AND THE OTHER OF SAID WING MEANS; SAID PRESSURE RESPONSIVE CHAMBER BEING MOUNTED ON THE INTERMEDIATE PORTION OF SAID LEAF SPRING SUBSTANTIALLY EQUIDISTANT FROM EACH SAID END, AND ADJUSTABLE MEANS MOVABLE IN SUCH DIRECTION INTO ENGAGEMENT WITH SAID LEAF SPRING AT SAID PORTION AS TO FORCE THE SAID INTERMEDIATE PORTION OF SAID LEAF SPRING AWAY FROM THE PLATE MEANS; SAID WING MEANS BEING IN THE FORM OF A PAIR OF TROUGHED MEMBERS EACH HAVING A TROUGH POSITIONED TO RECEIVE THE ENDS OF SAID SPRING LEAF, ONE SIDE OF EACH SAID TROUGH OVERLYING A SAID END AND THE NEXT ADJACENT SURFACE PORTION OF SAID PLATE MEANS.
References Cited (Backward Citations)
US459977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |