US3199797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulverizer
Assignee: Babcock and Wilcox Co
•
Filing: 1962-05-23
•
Granted: 1965-08-10
•
Expires: 1982-05-23
Abstract
No abstract record available.
Inventors
- 👤 Neil W Eft
- 👤 Richard A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:03
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
108 words
A PULVERIZER COMPRISING A HOUSING, A LOWER ROTARY GRINDING RING, MEANS FOR ROTATING SAID LOWER GRINDING RING, A CICULAR ROW OF ROLLING GRINDING ELEMENTS SUPPORTED ON SAID LOWER GRINDING ELEMENTS, MEANS FOR ROTATING SUPPORTED ON SAID GRINDING ELEMENTS, MEANS FOR ROTATING SAID UPPER GRINDING RING IN A DIRECTIN OPPOSIT TO THE DIRECTION OF SAID LOWER GRINDING RING INCLUDING MEANS FOR IMPOSING OF SAID LOWER GRINDING PRESSURE ON SAID GRINDING RINGS AND ELEMENTS, SAID RESILIENT GRINDING PRESSURE MEANS SIMULTANEOUSLY PROVIDING THE SOLE DRIVING CONNECTION BETWEEN SAID ROTATING MEANS AND SAID UPPER GRINDING RING FOR ROTATING SAID UPPER RING, MEANS FOR DELIVERING MATERIAL TO BE PULVERIZED OT SAID ROW OF
Claim 2
Dependent Claim
108 words
A PULVERIZER COMPRISING A HOUSING, A LOWER ROTARY GRINDING RING, MEANS FOR ROTATING SAID LOWER GRINDING RING, A CICULAR ROW OF ROLLING GRINDING ELEMENTS SUPPORTED ON SAID LOWER GRINDING ELEMENTS, MEANS FOR ROTATING SUPPORTED ON SAID GRINDING ELEMENTS, MEANS FOR ROTATING SAID UPPER GRINDING RING IN A DIRECTIN OPPOSIT TO THE DIRECTION OF SAID LOWER GRINDING RING INCLUDING MEANS FOR IMPOSING OF SAID LOWER GRINDING PRESSURE ON SAID GRINDING RINGS AND ELEMENTS, SAID RESILIENT GRINDING PRESSURE MEANS SIMULTANEOUSLY PROVIDING THE SOLE DRIVING CONNECTION BETWEEN SAID ROTATING MEANS AND SAID UPPER GRINDING RING FOR ROTATING SAID UPPER RING, MEANS FOR DELIVERING MATERIAL TO BE PULVERIZED OT SAID ROW OF
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 |