US3489277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Examining sorting system with multiple rejection means
Assignee: Individual
•
Filing: 1967-03-13
•
Granted: 1970-01-13
•
Expires: 1987-03-13
Abstract
No abstract record available.
Inventors
- 👤 Daniel Silverman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:55
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/36; B07C5/361; B07C5/362; B07C5/363; B07C5/365; B07C5/366; 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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |