Patent US2646880A successfully refreshed from Google Patents.
US2646880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoelectric sorting of small articles
Assignee: R W GUNSON (SEEDS) Ltd
•
Filing: 1949-06-07
•
Granted: 1953-07-28
•
Expires: 1969-06-07
Abstract
No abstract record available.
Inventors
- 👤 Frankel Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:19
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/34; B07C5/344; B07C5/342; B07C5/3425; B07C5/36; B07C5/361; B07C5/362; Y; Y10; Y10S; Y10S209/00; Y10S209/908
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US888432A
Cited
US1386287A
Cited
US1120560A
Cited
US1966243A
Cited
GB492035A
Cited
US2217444A
Cited
US2536693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |