US2985391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary disc pulverizer
Assignee: Individual
•
Filing: 1959-12-24
•
Granted: 1961-05-23
•
Expires: 1979-12-24
Abstract
No abstract record available.
Inventors
- 👤 Benjamin J Parmele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:25
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/20; B02C13/205; B02C19/00; B02C19/0012; B02C19/0018; B02C19/0031; B02C19/0037
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB147686A
Cited
US1499455A
Cited
GB308095A
Cited
US2084227A
Cited
US2357843A
Cited
US2502022A
Cited
CH271854A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |