US3451525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sorting conveyor
Assignee: NELSON P GRELLER
•
Filing: 1967-08-10
•
Granted: 1969-06-24
•
Expires: 1987-08-10
Abstract
No abstract record available.
Inventors
- 👤 Nelson P Greller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:07
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/30; B65G17/32; B65G17/34; B65G17/345; B65G2201/00; B65G2201/02; B65G2207/00; B65G2207/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3170572A
Cited
US3384237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |