US1214558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulverizer.
Assignee: Jeffrey Manufacturing Co
•
Filing: 1912-06-25
•
Granted: 1917-02-06
•
Expires: 1932-06-25
Abstract
No abstract record available.
Inventors
- 👤 William Kelsey Liggett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:50
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/06; B02C18/067
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1920-02-06 | 1920-08-07 | 1921-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-02-06 | 1924-08-07 | 1925-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-02-06 | 1928-08-07 | 1929-02-06 | $7700.00 | Window Closed / Lapsed |