US3204881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulverizing apparatus
Assignee: PARTEN MACHINERY CO
•
Filing: 1962-08-31
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Granted: 1965-09-07
•
Expires: 1982-08-31
Abstract
No abstract record available.
Inventors
- 👤 Carl D Parten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:24
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/10; B02C13/26; B02C13/288
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A PULVERIZING APPARATUS OF THE TYPE DESCRIBED COMPRISING SHELL MEANS DEFINING A MILLING CHAMBER AND HAVING A METERIAL INLET AND A MATERIAL OUTLET, MATERIAL PULVERIZING ROTORS MEANS WITHIN SAID SHELL MEANS, SAID SHELL MEANS INCLUDING A PORTION PRESENTING A CYLINDRICAL INNER SURFAC BETWEEN SAID INLET AND SAID OUTLET, A LINER MEMBER WITHIN SAID SHELL MEANS AND COOPERATING WITH SAID SHELL MEANS FOR DEFINING A FLUID COOLANT PASSAGEWAY CONNECTABLE WITH A SOURCE OF FLUID COOLANT WHICH SERVES TO COOL THE LINER MEMBER AND THEREBY THE MATERIAL BEING PULVERIZED, SAID LINER MEMBER COMPRISING A SPLIT CYLINDER HAVING OPPOSING ENDS AND RADIALLY OUTWARDLY PROJECTING OPPOSITE SIDE FLANGES DEFINING A CHANNEL THEREBETWEEN FOR PROVIDING SAID PASSAGEWAY, SAID FLANGES HAVING SPWEEN FOR CYLINDRICAL EDGES COMPLETMENTARY TO SAID CYLINDRICAL SUR-
Claim 2
Dependent Claim
124 words
A PULVERIZING APPARATUS OF THE TYPE DESCRIBED COMPRISING SHELL MEANS DEFINING A MILLING CHAMBER AND HAVING A METERIAL INLET AND A MATERIAL OUTLET, MATERIAL PULVERIZING ROTORS MEANS WITHIN SAID SHELL MEANS, SAID SHELL MEANS INCLUDING A PORTION PRESENTING A CYLINDRICAL INNER SURFAC BETWEEN SAID INLET AND SAID OUTLET, A LINER MEMBER WITHIN SAID SHELL MEANS AND COOPERATING WITH SAID SHELL MEANS FOR DEFINING A FLUID COOLANT PASSAGEWAY CONNECTABLE WITH A SOURCE OF FLUID COOLANT WHICH SERVES TO COOL THE LINER MEMBER AND THEREBY THE MATERIAL BEING PULVERIZED, SAID LINER MEMBER COMPRISING A SPLIT CYLINDER HAVING OPPOSING ENDS AND RADIALLY OUTWARDLY PROJECTING OPPOSITE SIDE FLANGES DEFINING A CHANNEL THEREBETWEEN FOR PROVIDING SAID PASSAGEWAY, SAID FLANGES HAVING SPWEEN FOR CYLINDRICAL EDGES COMPLETMENTARY TO SAID CYLINDRICAL SUR-
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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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |