US3391707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for regenerating materials
Assignee: Industrial Filter and Pump Manufacturing Co
•
Filing: 1964-09-16
•
Granted: 1968-07-09
•
Expires: 1984-09-16
Abstract
No abstract record available.
Inventors
- 👤 Clay W Riley
- 👤 Charles J Novotny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:52
CPC Classifications
B; B01; B01J; B01J47/00; B01J47/02; B01J47/022; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86348
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A MATERIAL PROCESSING VESSEL COMPRISING: A TANK HAVING SIDE WALLS AND A SLOPING BOTTOM WALL TERMINATING IN A LOWERMOST MATERIAL FEED OPENING, FLUID FEED MEANS FOR SUPPLYING FLUID TO SAID VESSEL TO PROCESS AND MATERIAL, SAID FLUID FEED MEANS INCLUDING A GENERALLY ARCUATE HEADER AND A PLURALITY OF PERFORATED FEED CONDUITS COMMUNICATING WITH SAID HEADER AND EXTENDING RADIALLY FROM AN AREA NEAR SAID FEED OPENING ALONG SAID BOTTOM WALL TOWARD SAID WALLS, SAID FEED CONDUITS RESTING ON SAID WALL.
Claim 2
Dependent Claim
79 words
A MATERIAL PROCESSING VESSEL COMPRISING: A TANK HAVING SIDE WALLS AND A SLOPING BOTTOM WALL TERMINATING IN A LOWERMOST MATERIAL FEED OPENING, FLUID FEED MEANS FOR SUPPLYING FLUID TO SAID VESSEL TO PROCESS AND MATERIAL, SAID FLUID FEED MEANS INCLUDING A GENERALLY ARCUATE HEADER AND A PLURALITY OF PERFORATED FEED CONDUITS COMMUNICATING WITH SAID HEADER AND EXTENDING RADIALLY FROM AN AREA NEAR SAID FEED OPENING ALONG SAID BOTTOM WALL TOWARD SAID WALLS, SAID FEED CONDUITS RESTING ON SAID WALL.
References Cited (Backward Citations)
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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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |