US3003460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic conveyor
Assignee: Wald Indusries Inc
•
Filing: 1957-12-09
•
Granted: 1961-10-10
•
Expires: 1977-12-09
Abstract
No abstract record available.
Inventors
- 👤 Rufus W Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:57
CPC Classifications
B; B65; B65G; B65G15/00; B65G15/30; B65G15/32; B65G15/42; B65G2201/00; B65G2201/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US725630A
Cited
US740604A
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US1175578A
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US1238561A
Cited
US1375126A
Cited
US1385492A
Cited
US2333285A
Cited
US2708022A
Cited
US2873843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |