Patent US2570485A successfully refreshed from Google Patents.
US2570485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical sorting system
Assignee: INTERVAL INSTR Inc
•
Filing: 1946-06-24
•
Granted: 1951-10-09
•
Expires: 1966-06-24
Abstract
No abstract record available.
Inventors
- 👤 Rieber Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:50
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/04; B07C5/08; B07C5/083; Y; Y10; Y10S; Y10S209/00; Y10S209/91; Y10S209/916; Y10S209/933; Y10T; Y10T29/00; Y10T29/53; Y10T29/53478
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2148578A
Cited
US2265011A
Cited
US2312357A
Cited
US2357512A
Cited
US2381990A
Cited
US2382885A
Cited
US2421933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |