US3211004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure sensitive apparatus
Assignee: General Electric Co
•
Filing: 1962-01-04
•
Granted: 1965-10-12
•
Expires: 1982-01-04
Abstract
No abstract record available.
Inventors
- 👤 William R Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:24
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0041; G01L9/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
PRESSURE SENSITIVE APPARATUS COMPRISING A RIGID ROCKER ARM HAVING A LONGITUDINAL AXIS, AN ELASTICALLY DEFORMABLE TORISON BAR HAVING AN INTERMEDIATE PORTION RIGIDLY CONNECTED TO AND SUPPORTING SAID ARM BETWEEN THE ENDS THEREOF, SAID BAR EXTENDING FROM BOTH SIDES OF SAID ROCKER ARM ALONG A TWISW AXIS EXTENDING PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID ROCKER ARM AND LYING IN A PLANE CONTAINING SAID LONGITUDINAL AXIS, A BASE MEMBER, A PAIR OF VERTICAL WALL MEMBERS RIGIDLY AFFIXED TO SAID BASE MEMBER AND POSITIONED ON OPPOSITE SIDES OF SAID ROCKER ARM, THE OUTER EXTREMITIES OF SAID TORSION BAR BEING RIGIDLY CONNECTED TO AND SUPPORTED BY SAID WALL MEMBERS, A PAIR OF EXPANSIBLE DEVICES MOUNTED ON SAID BASE MEMBER WITH THE OUTER ENDS THEREOF CONNECTED TO SID ROCKER ARM ON OPPOSITE SIDES OF SAID TWIST AXIS SO THAT FLUID PRESSURE IN ONE OF SAID EXPANSIBLE DEVICES TENDS TO TWIST SAID TORSION BAR IN ONE DIRECTION ABOUT
Claim 2
Dependent Claim
153 words
PRESSURE SENSITIVE APPARATUS COMPRISING A RIGID ROCKER ARM HAVING A LONGITUDINAL AXIS, AN ELASTICALLY DEFORMABLE TORISON BAR HAVING AN INTERMEDIATE PORTION RIGIDLY CONNECTED TO AND SUPPORTING SAID ARM BETWEEN THE ENDS THEREOF, SAID BAR EXTENDING FROM BOTH SIDES OF SAID ROCKER ARM ALONG A TWISW AXIS EXTENDING PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID ROCKER ARM AND LYING IN A PLANE CONTAINING SAID LONGITUDINAL AXIS, A BASE MEMBER, A PAIR OF VERTICAL WALL MEMBERS RIGIDLY AFFIXED TO SAID BASE MEMBER AND POSITIONED ON OPPOSITE SIDES OF SAID ROCKER ARM, THE OUTER EXTREMITIES OF SAID TORSION BAR BEING RIGIDLY CONNECTED TO AND SUPPORTED BY SAID WALL MEMBERS, A PAIR OF EXPANSIBLE DEVICES MOUNTED ON SAID BASE MEMBER WITH THE OUTER ENDS THEREOF CONNECTED TO SID ROCKER ARM ON OPPOSITE SIDES OF SAID TWIST AXIS SO THAT FLUID PRESSURE IN ONE OF SAID EXPANSIBLE DEVICES TENDS TO TWIST SAID TORSION BAR IN ONE DIRECTION ABOUT
References Cited (Backward Citations)
GB195229A
Cited
US2365573A
Cited
US2729780A
Cited
US2707001A
Cited
US2788664A
Cited
US2816444A
Cited
US2912863A
Cited
US3100858A
Cited
US3141334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |