US2860779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for grading articles by size
Assignee: NORTHWEST EQUIPMENT Co IN
•
Filing: 1955-04-28
•
Granted: 1958-11-18
•
Expires: 1975-04-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Lindeman
- 👤 Dobbs William Gerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:41
CPC Classifications
B; B07; B07B; B07B13/00; B07B13/04; B07B13/075
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1302002A
Cited
US1448689A
Cited
US1725665A
Cited
US2229973A
Cited
US2441154A
Cited
US2661840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |