Patent US3909224A successfully refreshed from Google Patents.
US3909224A
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US
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Filter
Assignee: Individual
•
Filing: 1974-01-04
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Granted: 1975-09-30
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Expires: 1994-01-04
Abstract
Abstract A method of manufacturing a filter media having plyed sections of obliquely oriented honeycomb cells is disclosed as well as a novel filter media of stacked sections of obliquely oriented honeycomb cells.
Inventors
- 👤 Victor Vernon Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:15
CPC Classifications
B; B01; B01D; B01D25/00; B01D25/001; B01D39/00; B01D39/14; B01D46/00; B01D46/10; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T428/00; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
104 words
A FILTER MEDIA HAVING A PLURALITY OF STACKED CRUCHED HONEYCOMB LAYERS OF NONALIGNED UNIFORM CELLS SAID MEDIA INCLUDING MEANS HOLDING THE LAYERS IN RELATIVE JUXTAPOSITION WHEREIN EACH LAYER IS COMPOSED OF A PLURALITY OF OVERLAPPING GENERALLY OPEN CELLS EACH CELL WITH CIRCUMSCRIBING WALLS OF SUBSTANTIAL DEPTH DEFINING A CELL AXIS SAID WALLS GENERALLY FLATTENED AND LYING IN THE RELATIVE PLANE OF THE LAYER AND AT LEAST ONE OF THE WALLS DISPOSED IN OVERLAPPING RELATION SHIP TO ONE OF ADJACENT CELLS OF THE LAYER THE AXIS OF THE CRUSHED CELLS BEING DISPOSED AT OBLIQUE ANGLES RELATIVE TO THE MEDIA OF THE PLANE OF THE LAYER.
Claim 2
Dependent Claim
104 words
A FILTER MEDIA HAVING A PLURALITY OF STACKED CRUCHED HONEYCOMB LAYERS OF NONALIGNED UNIFORM CELLS SAID MEDIA INCLUDING MEANS HOLDING THE LAYERS IN RELATIVE JUXTAPOSITION WHEREIN EACH LAYER IS COMPOSED OF A PLURALITY OF OVERLAPPING GENERALLY OPEN CELLS EACH CELL WITH CIRCUMSCRIBING WALLS OF SUBSTANTIAL DEPTH DEFINING A CELL AXIS SAID WALLS GENERALLY FLATTENED AND LYING IN THE RELATIVE PLANE OF THE LAYER AND AT LEAST ONE OF THE WALLS DISPOSED IN OVERLAPPING RELATION SHIP TO ONE OF ADJACENT CELLS OF THE LAYER THE AXIS OF THE CRUSHED CELLS BEING DISPOSED AT OBLIQUE ANGLES RELATIVE TO THE MEDIA OF THE PLANE OF THE LAYER.
Claim 3
Dependent Claim
35 words
The media of claim 1 wherein the relative sections are reversingly juxtaposed whereupon the oblique axis of crushed cells of one section generally intersect an axis of a crushed cell of the next adjacent section.
Claim 4
Dependent Claim
16 words
The filter media of claim 1 wherein the intersection of the axis is relatively approximately 90*.
Claim 5
Dependent Claim
15 words
The media of claim 3 including thread means for stitchably holding the juxtaposed sections together.
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) | 1978-09-29 | 1979-03-31 | 1979-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-29 | 1983-03-31 | 1983-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-29 | 1987-03-31 | 1987-09-30 | $7700.00 | Window Closed / Lapsed |