Patent US1336110A successfully refreshed from Google Patents.
Patent US2609151A successfully refreshed from Google Patents.
US2609151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulverizing and classifying machine
Assignee: Individual
•
Filing: 1949-06-18
•
Granted: 1952-09-02
•
Expires: 1969-06-18
Abstract
No abstract record available.
Inventors
- 👤 D Aragon Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:39
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US849545A
Cited
US1241749A
Cited
US1373205A
Cited
GB147009A
Cited
US1479242A
Cited
US1956293A
Cited
US1962462A
Cited
US2016779A
Cited
US2041287A
Cited
US1993900A
Cited
CH171023A
Cited
US2109856A
Cited
GB443468A
Cited
US2238743A
Cited
US2500908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |