Patent US3209364A successfully refreshed from Google Patents.
US3209364A
Expired / Lapsed
US
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Force amplifier
Assignee: Jersey Production Research Co
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Filing: 1961-07-27
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Granted: 1965-09-28
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Expires: 1981-07-27
Abstract
No abstract record available.
Inventors
- 👤 Alexander B Hildebrandt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:01
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A MECHANICAL FORCE AMPLIFIER FOR USE WITH A MEASURING DEVICE WHICH PRODUECE MOTION IN RESPONSE TO VARIATIONS IN THE MEASURED MEDIUM WHICH COMPRISES IN COMBINATION: A FRAME MEANS; A DRIVING CYLINDER ROTATABLY SUPPORTED FROM SAID FRAME MEANS; MEANS TO DRIVE SAID CYLINDER; A ROD SUPPORTED BY SAID FRAME MEANS PARALLEL TO THE AXIS OF SAID CYLINDER; A FOLLOWER CARRIAGE ROTATABLY AND SLIDABLY MOUNTED UPON SAID ROD; A YOKE MEMBER HAVING A SHAFT AND TWO SPACED-APART FINGER ELEMENTS, SAID SHAFT MOUNTED IN SAID FOLLOWER CARRIAGE SUCH THAT THE SHAFT OF SAID YOKE IS PIVOTALLY MOUNTED IN AND SUPPORTED FROM SAID CARRIAGE; A ROLLER ROTATABLY MOUNTED BETWEEN SAID FINGER ELEMENTS OF SAID YOKE; MEANS FOR CARRYING A CHART SUPPORTED BY SAID FRAME; A SPRING ARM CARRIED BY SAID FOLLOWER CARRIAGE; A PEN SUPPORTED BY SAID SPRING
Claim 2
Dependent Claim
134 words
A MECHANICAL FORCE AMPLIFIER FOR USE WITH A MEASURING DEVICE WHICH PRODUECE MOTION IN RESPONSE TO VARIATIONS IN THE MEASURED MEDIUM WHICH COMPRISES IN COMBINATION: A FRAME MEANS; A DRIVING CYLINDER ROTATABLY SUPPORTED FROM SAID FRAME MEANS; MEANS TO DRIVE SAID CYLINDER; A ROD SUPPORTED BY SAID FRAME MEANS PARALLEL TO THE AXIS OF SAID CYLINDER; A FOLLOWER CARRIAGE ROTATABLY AND SLIDABLY MOUNTED UPON SAID ROD; A YOKE MEMBER HAVING A SHAFT AND TWO SPACED-APART FINGER ELEMENTS, SAID SHAFT MOUNTED IN SAID FOLLOWER CARRIAGE SUCH THAT THE SHAFT OF SAID YOKE IS PIVOTALLY MOUNTED IN AND SUPPORTED FROM SAID CARRIAGE; A ROLLER ROTATABLY MOUNTED BETWEEN SAID FINGER ELEMENTS OF SAID YOKE; MEANS FOR CARRYING A CHART SUPPORTED BY SAID FRAME; A SPRING ARM CARRIED BY SAID FOLLOWER CARRIAGE; A PEN SUPPORTED BY SAID SPRING
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |