US3419253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support plate
Assignee: US STONEWARE Inc
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Filing: 1965-11-08
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Granted: 1968-12-31
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Expires: 1985-11-08
Abstract
No abstract record available.
Inventors
- 👤 John S Eckert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:21
CPC Classifications
F; F28; F28F; F28F25/00; F28F25/02; F28F25/08; B; B01; B01D; B01D3/00; B01D3/14; B01D3/16; B01D3/22; B01J; B01J19/00; B01J19/30; B01J19/305
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
194 words
A TREATING TOWER HAVING (A) A GAS INLET AND LIQUID OUTLET IN THE LOWER REGION THEREOF AND A LIQUID INLET AND OUTLET IN THE UPPER REGION THEREOF, (B) A SUPPORT MEMBER FOR PACKING WHICH MEMBER IS MOUNTED IN THE TOWER ON THE WALL THEREOF BETWEEN THE GAS AND LIQUID INLETS, (C) SAID PACKING SUPPORT MEMBER COMPRISING A PLURALITY OF PARALLEL ARCHED MEMBERS EACH HAVING A HORIZONTALLY DISPOSED BASE MEMBER EXTENDING FROM EACH SIDE OF EACH ARCH, EACH BASE MEMBER HAVING OPENINGS THEREIN TO PERMIT THE FLOW OF LIQUID THERETHROUGH, SAID SUPPORT MEMBER FORMING A SUPPORT OVER THE ENTIRE CROSS SECTION OF THE TOWER, (D) SAID ARCHED MEMBERS EACH HAVING INCLINED SIDE WALLS CONVERGING UPWARDLY TOWARD RESPECTIVE CROWNS THEREOF, SAID SIDE WALLS EACH HAVING UPWARDLY EXTENDING, RELATIVELY NARROW, ELONGATED SLOTS THEREIN STAGGERED ON EACH SIDE OF EACH ARCH TO PROVIDE FOR THE UPWARD FLOW OF GAS THERETHROUGH AND SAID CROWNS EACH HAVING OPENINGS THEREIN, THE AREA OF EACH OPENING IN THE CROWNS AND IN EACH BASE MEMBER BEING LESS THAN THE AREA OF EACH SLOT, SAID SLOTS TERMINATING ABOVE THE TOPS OF THE RESPECTIVE BASE MEMBERS A SUFFICIENT DISTANCE TO PROVIDE FOR THE COLLECTION OF
Claim 2
Dependent Claim
194 words
A TREATING TOWER HAVING (A) A GAS INLET AND LIQUID OUTLET IN THE LOWER REGION THEREOF AND A LIQUID INLET AND OUTLET IN THE UPPER REGION THEREOF, (B) A SUPPORT MEMBER FOR PACKING WHICH MEMBER IS MOUNTED IN THE TOWER ON THE WALL THEREOF BETWEEN THE GAS AND LIQUID INLETS, (C) SAID PACKING SUPPORT MEMBER COMPRISING A PLURALITY OF PARALLEL ARCHED MEMBERS EACH HAVING A HORIZONTALLY DISPOSED BASE MEMBER EXTENDING FROM EACH SIDE OF EACH ARCH, EACH BASE MEMBER HAVING OPENINGS THEREIN TO PERMIT THE FLOW OF LIQUID THERETHROUGH, SAID SUPPORT MEMBER FORMING A SUPPORT OVER THE ENTIRE CROSS SECTION OF THE TOWER, (D) SAID ARCHED MEMBERS EACH HAVING INCLINED SIDE WALLS CONVERGING UPWARDLY TOWARD RESPECTIVE CROWNS THEREOF, SAID SIDE WALLS EACH HAVING UPWARDLY EXTENDING, RELATIVELY NARROW, ELONGATED SLOTS THEREIN STAGGERED ON EACH SIDE OF EACH ARCH TO PROVIDE FOR THE UPWARD FLOW OF GAS THERETHROUGH AND SAID CROWNS EACH HAVING OPENINGS THEREIN, THE AREA OF EACH OPENING IN THE CROWNS AND IN EACH BASE MEMBER BEING LESS THAN THE AREA OF EACH SLOT, SAID SLOTS TERMINATING ABOVE THE TOPS OF THE RESPECTIVE BASE MEMBERS A SUFFICIENT DISTANCE TO PROVIDE FOR THE COLLECTION OF
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) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |