Patent US3246580A successfully refreshed from Google Patents.
US3246580A
Expired / Lapsed
US
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Rotary fluid displacement device
Assignee: Individual
•
Filing: 1963-07-08
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Granted: 1966-04-19
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Expires: 1983-07-08
Abstract
No abstract record available.
Inventors
- 👤 Huska Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:42
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/08; F15B15/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A ROTARY FLUID DISPLACEMENT ACCELEROMETER COMPRISING: (A) A BODY HAVING A FLUID HANDLING CYLINDER IN THE FORM OF A TOROIDAL SEGMENT, SAID SEGMENT BEING CURVED ABOUT A ROTATIONAL AXIS, (B) AN ARCUATE RAM CURVED COINCIDENTLY WITH THE CYLINDER AND ADAPTED TO ENTER THE CYLINDER, (C) BEARING MEANS ROTATABLY SUPPORTING THE RAM FROM THE BODY AND ON SAID ROTATIONAL AXIS, (D) AND A SEAL AT THE OPEN END OF THE CYLINDER AND COMPRISING A WALL OF PLIANT MATERIAL HAVING A TUBULAR PORTION FIXED TO THE RAM SURROUNDED BY A TUBULAR PORTION FIXED TO THE CYLINDER AND WITH AN INTEGRAL INTERMEDIATE PORTION EXTENDING THEREBETWEEN, (E) AND AN INDUCTION WINDING SURROUNDING THE RAM TO DETECT THE POSITIONING THEREOF.
Claim 2
Dependent Claim
115 words
A ROTARY FLUID DISPLACEMENT ACCELEROMETER COMPRISING: (A) A BODY HAVING A FLUID HANDLING CYLINDER IN THE FORM OF A TOROIDAL SEGMENT, SAID SEGMENT BEING CURVED ABOUT A ROTATIONAL AXIS, (B) AN ARCUATE RAM CURVED COINCIDENTLY WITH THE CYLINDER AND ADAPTED TO ENTER THE CYLINDER, (C) BEARING MEANS ROTATABLY SUPPORTING THE RAM FROM THE BODY AND ON SAID ROTATIONAL AXIS, (D) AND A SEAL AT THE OPEN END OF THE CYLINDER AND COMPRISING A WALL OF PLIANT MATERIAL HAVING A TUBULAR PORTION FIXED TO THE RAM SURROUNDED BY A TUBULAR PORTION FIXED TO THE CYLINDER AND WITH AN INTEGRAL INTERMEDIATE PORTION EXTENDING THEREBETWEEN, (E) AND AN INDUCTION WINDING SURROUNDING THE RAM TO DETECT THE POSITIONING THEREOF.
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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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |