US3000519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic sortation system control
Assignee: Stewart Warner Corp
•
Filing: 1958-09-23
•
Granted: 1961-09-19
•
Expires: 1978-09-23
Abstract
No abstract record available.
Inventors
- 👤 Richard F Purnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:41
CPC Classifications
B; B07; B07C; B07C3/00; B07C3/003; B07C3/006; Y; Y10; Y10S; Y10S209/00; Y10S209/90
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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |