Patent US3298314A successfully refreshed from Google Patents.
US3298314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid moving device
Assignee: Individual
•
Filing: 1965-01-29
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Granted: 1967-01-17
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Expires: 1985-01-29
Abstract
No abstract record available.
Inventors
- 👤 John F Kopczynski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:07
CPC Classifications
F; F04; F04D; F04D3/00; F04D3/02; F04D33/00; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18544
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A LIQUID MOVING DEVICE COMPRISING: (A) AN UPSTANDING HOUSING HAVING A CHAMBER WITH A CLOSED LOWER END, WITH A SPIRAL VANE ON THE SIDE WALL OF THE CHAMBER THAT EXTENDS PROGRESSIVELY FROM NEAR THE BOTTOM OF THE CHAMBER UPWARDLY TO NEAR THE TOP OF THE CHAMBER, AND ALSO HAVING AN INLET CONNECTION FOR LIQUIDS TO THE LOWER PART OF THE CHAMBER AND AN OUTLET CONNECTION FOR THE LIQUID FROM NEAR THE TOP OF THE CHAMBER, (B) A SHAFT MOUNTED FOR ROTATION ABOUT ITS AXIS IN ONE DIRECTION AND HAVING AN ECCENTRIC CONNECTION TO SAID HOUSING AND CAUSING SIDEWISE, CYCLC BODILY MOVEMENTS OF THE HOUSING WHEN THE SHAFT ROTATES, (C) SAID VANE PROGRESSING UPWARDLY IN A DIRECTION THAT PROPELS ANY LIQUID IN CONTACT WITH IT UPWARDLY WHEN THE SHAFT ROTATES IN SAID ONE DIRECTION, AND (D) SAID HOUSING BEING HELD AGAINST ROTATION WITH THE SHAFT BY SAID INLET AND OUTLET CONNECTIONS.
Claim 2
Dependent Claim
150 words
A LIQUID MOVING DEVICE COMPRISING: (A) AN UPSTANDING HOUSING HAVING A CHAMBER WITH A CLOSED LOWER END, WITH A SPIRAL VANE ON THE SIDE WALL OF THE CHAMBER THAT EXTENDS PROGRESSIVELY FROM NEAR THE BOTTOM OF THE CHAMBER UPWARDLY TO NEAR THE TOP OF THE CHAMBER, AND ALSO HAVING AN INLET CONNECTION FOR LIQUIDS TO THE LOWER PART OF THE CHAMBER AND AN OUTLET CONNECTION FOR THE LIQUID FROM NEAR THE TOP OF THE CHAMBER, (B) A SHAFT MOUNTED FOR ROTATION ABOUT ITS AXIS IN ONE DIRECTION AND HAVING AN ECCENTRIC CONNECTION TO SAID HOUSING AND CAUSING SIDEWISE, CYCLC BODILY MOVEMENTS OF THE HOUSING WHEN THE SHAFT ROTATES, (C) SAID VANE PROGRESSING UPWARDLY IN A DIRECTION THAT PROPELS ANY LIQUID IN CONTACT WITH IT UPWARDLY WHEN THE SHAFT ROTATES IN SAID ONE DIRECTION, AND (D) SAID HOUSING BEING HELD AGAINST ROTATION WITH THE SHAFT BY SAID INLET AND OUTLET CONNECTIONS.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |