US2709128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing or filling element
Assignee: GAS MACHINERY CO
•
Filing: 1952-10-09
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Granted: 1955-05-24
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Expires: 1972-10-09
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Krause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:13
CPC Classifications
B; B01; B01J; B01J15/00; B01J15/005; B01J19/00; B01J19/32; B01J2219/00; B01J2219/32; B01J2219/324; B01J2219/32425; Y; Y10; Y10S; Y10S261/00; Y10S261/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A PACKING ELEMENT FOR DIVIDING A CONFINED STREAM OF FLUIDS COMPRISING A LONGITUDINAL HUB AND A PLURALITY OF VANES EXTENDING OUTWARDLY FROM SAID HUB, SAID VANES LYING SUBSTANTIALLY IN PLANES EXTENDING THROUGH THE AXIS OF SAID HUB THUS FORMING A PLURALITY OF PASSAGES BETWEEN THE VANES, WHICH PASSAGES ARE SUBSTANTIALLY PARALLEL TO THE AXIS OF THE HUB, EACH OF SAID VANES HAVING CORRUGATED SURFACES, SAID CORRUGATIONS EXTENDING SUBSTANTIALLY PARALLEL TO THE AXIS OF THE HUB AND BEING OF SUCH DEPTH THAT ANY POINT ON THE SURFACE OF SAID VANES MAY BE CONNECTED BY AN UNINTERRUPTED STRAIGHT LINE TO A POINT ON A CIRCUMFERENCE BOUNDING A HORIZONTAL CROSS-SECTION OF SAID PACKING ELEMENT.
Claim 2
Dependent Claim
111 words
A PACKING ELEMENT FOR DIVIDING A CONFINED STREAM OF FLUIDS COMPRISING A LONGITUDINAL HUB AND A PLURALITY OF VANES EXTENDING OUTWARDLY FROM SAID HUB, SAID VANES LYING SUBSTANTIALLY IN PLANES EXTENDING THROUGH THE AXIS OF SAID HUB THUS FORMING A PLURALITY OF PASSAGES BETWEEN THE VANES, WHICH PASSAGES ARE SUBSTANTIALLY PARALLEL TO THE AXIS OF THE HUB, EACH OF SAID VANES HAVING CORRUGATED SURFACES, SAID CORRUGATIONS EXTENDING SUBSTANTIALLY PARALLEL TO THE AXIS OF THE HUB AND BEING OF SUCH DEPTH THAT ANY POINT ON THE SURFACE OF SAID VANES MAY BE CONNECTED BY AN UNINTERRUPTED STRAIGHT LINE TO A POINT ON A CIRCUMFERENCE BOUNDING A HORIZONTAL CROSS-SECTION OF SAID PACKING ELEMENT.
References Cited (Backward Citations)
US432842A
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US1173187A
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US1480463A
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US1676451A
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GB283869A
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US2042451A
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GB486248A
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US2212932A
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US2387026A
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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) | 1958-05-23 | 1958-11-22 | 1959-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-23 | 1962-11-22 | 1963-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-23 | 1966-11-22 | 1967-05-24 | $7700.00 | Window Closed / Lapsed |