Patent US3263976A successfully refreshed from Google Patents.
US3263976A
Expired / Lapsed
US
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Apparatus for distributing liquid in packed towers
Assignee: WR Grace and Co
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Filing: 1964-04-09
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Granted: 1966-08-02
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Expires: 1984-04-09
Abstract
No abstract record available.
Inventors
- 👤 Leo S Hilinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:01
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/008; B01J; B01J8/00; B01J8/02; B01J8/0278; Y; Y10; Y10S; Y10S261/00; Y10S261/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
APPARATUS FOR DISTRIBUTING LIQUID IN A PACKED TOWER COMPRISING AT LEAST ONE BUCKET, FILLED TO ABOUT ONE-HALF ITS DEPTH WITH PACKING, POSITIONED WITHIN SAID TOWER, ABOVE SAID TOWER''S PACKING, WITH THE NUMBER OF BUCKETS IN A TOWER DETERMINED BY THE FOLLOWING SCHEDULE BASED UPON TOWER DIAMETER;
Claim 2
Dependent Claim
46 words
APPARATUS FOR DISTRIBUTING LIQUID IN A PACKED TOWER COMPRISING AT LEAST ONE BUCKET, FILLED TO ABOUT ONE-HALF ITS DEPTH WITH PACKING, POSITIONED WITHIN SAID TOWER, ABOVE SAID TOWER''S PACKING, WITH THE NUMBER OF BUCKETS IN A TOWER DETERMINED BY THE FOLLOWING SCHEDULE BASED UPON TOWER DIAMETER;
References Cited (Backward Citations)
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US3006623A
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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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |