US2447258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means and method for reducing to powder form materials packaged as tablets
Assignee: Bayer Corp
•
Filing: 1943-10-16
•
Granted: 1948-08-17
•
Expires: 1963-10-16
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Lobley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:08
CPC Classifications
B; B65; B65B; B65B9/00; B65B9/02; B65B51/00; B65B51/10; B65B51/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1091568A
Cited
US1485141A
Cited
US1971485A
Cited
US2083618A
Cited
US2232783A
Cited
US2180966A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-17 | 1952-02-16 | 1952-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-17 | 1956-02-16 | 1956-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-17 | 1960-02-16 | 1960-08-17 | $7700.00 | Window Closed / Lapsed |