US3199794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulverizer
Assignee: Babcock and Wilcox Co
•
Filing: 1962-05-23
•
Granted: 1965-08-10
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Expires: 1982-05-23
Abstract
No abstract record available.
Inventors
- 👤 Edward M Poole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:17
CPC Classifications
B; B02; B02C; B02C15/00; B02C15/12; F; F23; F23K; F23K1/00; F23K2201/00; F23K2201/10; F23K2201/1006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A PULVERIZER COMPRISING A HOUSING, A LOWER ROTARY GRINDING RING, DRIVE MEANS INCLUDING A FIRST MOTOR FOR ROTATING SAID LOWER GRINDING RING AT A SELECTED RATE, A CIRCULAR ROW OF ROLLING GRINDING ELEMENTS SUPPORTED ON SAID LOWER GRINDING RING, A ROTARY UPPER GRINDING RING SUPPORTED ON SAID GRINDING ELEMENTS, DRIVE MEANS INCLUDING A SECOND MOTOR FOR ROTATING SAID UPPER GRINDING RING AT A SELECTED RATE AND IN A DIRECTION OPPOSITE TO THE DIRECTION OF RATATION OF SAID LOWER GRINDING RING, MEANS FOR DELIVERING MATERIAL BE PULVERIZED TO SAID ROW OF GRIND-
Claim 2
Dependent Claim
91 words
A PULVERIZER COMPRISING A HOUSING, A LOWER ROTARY GRINDING RING, DRIVE MEANS INCLUDING A FIRST MOTOR FOR ROTATING SAID LOWER GRINDING RING AT A SELECTED RATE, A CIRCULAR ROW OF ROLLING GRINDING ELEMENTS SUPPORTED ON SAID LOWER GRINDING RING, A ROTARY UPPER GRINDING RING SUPPORTED ON SAID GRINDING ELEMENTS, DRIVE MEANS INCLUDING A SECOND MOTOR FOR ROTATING SAID UPPER GRINDING RING AT A SELECTED RATE AND IN A DIRECTION OPPOSITE TO THE DIRECTION OF RATATION OF SAID LOWER GRINDING RING, MEANS FOR DELIVERING MATERIAL BE PULVERIZED TO SAID ROW OF GRIND-
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |