US2514675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gyratory crusher mantle
Assignee: Nordberg Manufacturing Co
•
Filing: 1945-12-15
•
Granted: 1950-07-11
•
Expires: 1965-12-15
Abstract
No abstract record available.
Inventors
- 👤 Ruland R Shafter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:16
CPC Classifications
B; B02; B02C; B02C2/00; B02C2/005; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7018; Y10T403/7026; Y10T403/7035; Y10T403/7047; Y10T403/7051
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US243545A
Cited
US251038A
Cited
US341900A
Cited
US464463A
Cited
US501843A
Cited
US525419A
Cited
US525398A
Cited
US1310798A
Cited
US720853A
Cited
US1087204A
Cited
US1370073A
Cited
US1439452A
Cited
US1597207A
Cited
US1660652A
Cited
US1817044A
Cited
US1791584A
Cited
US1912412A
Cited
US2134876A
Cited
US2054326A
Cited
US2159272A
Cited
US2148682A
Cited
US2158779A
Cited
US2306160A
Cited
US2327384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |