US2934411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distributing grid
Assignee: Universal Oil Products Co
•
Filing: 1957-09-30
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Granted: 1960-04-26
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Expires: 1977-09-30
Abstract
No abstract record available.
Inventors
- 👤 Frank V Purse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:53
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A DISTRIBUTING GRID ASSEMBLY COMPRISING IN COMBINATION A FLAT UPPER PERFORATED DISTRIBUTING PLATE, A LOWER SUPPORTING-SEALING MEMBER IN THE FORM OF A TRUNCATED SURFACE OF REVOLUTION, A CENTER PIPE HAVING PERFORATED SIDEWALLS ADJACENT ITS UPPER END, THE UPPER END OF SAID CENTER PIPE CONNECTED TO THE LOWER SIDE OF SAID FLAT PLATE, THE PERIPHERAL EDGE OF SAID SUPPORTING MEMBER IN VAPOR-TIGHT CONNECTION WITH THE PERIPHERAL EDGE OF SAID FLAT PLATE, THE LOWER EDGE OF SAID SUPPORTING-SEALING MEMBER IN VAPOR-TIGHT CONNECTION WTH SAID CENTER PIPE BELOW THE PERFORATED PORTION THEREOF, A PLURALITY OF STUT MEMBERS POSITIONED SUBSTANTIALLY VERTICAL AND CONNECTING INTERMEDIATE PORTIONS OF SAID SUPPORTING-SEALING MEMBER TO INTERMEDIATE PORTIONS OF SAID FLAT PLATE MEMBER TO IMPART RIGIDITY TO THE LATTER.
Claim 2
Dependent Claim
119 words
A DISTRIBUTING GRID ASSEMBLY COMPRISING IN COMBINATION A FLAT UPPER PERFORATED DISTRIBUTING PLATE, A LOWER SUPPORTING-SEALING MEMBER IN THE FORM OF A TRUNCATED SURFACE OF REVOLUTION, A CENTER PIPE HAVING PERFORATED SIDEWALLS ADJACENT ITS UPPER END, THE UPPER END OF SAID CENTER PIPE CONNECTED TO THE LOWER SIDE OF SAID FLAT PLATE, THE PERIPHERAL EDGE OF SAID SUPPORTING MEMBER IN VAPOR-TIGHT CONNECTION WITH THE PERIPHERAL EDGE OF SAID FLAT PLATE, THE LOWER EDGE OF SAID SUPPORTING-SEALING MEMBER IN VAPOR-TIGHT CONNECTION WTH SAID CENTER PIPE BELOW THE PERFORATED PORTION THEREOF, A PLURALITY OF STUT MEMBERS POSITIONED SUBSTANTIALLY VERTICAL AND CONNECTING INTERMEDIATE PORTIONS OF SAID SUPPORTING-SEALING MEMBER TO INTERMEDIATE PORTIONS OF SAID FLAT PLATE MEMBER TO IMPART RIGIDITY TO THE LATTER.
References Cited (Backward Citations)
US2468508A
Cited
US2714126A
Cited
US2595909A
Cited
US2628932A
Cited
US2798030A
Cited
US2836902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |