US2643761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for unloading articles from overhead conveyers
Assignee: Campbell Wyant and Cannon Foundry Co
•
Filing: 1950-03-16
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Granted: 1953-06-30
•
Expires: 1970-03-16
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Wagner
- 👤 Albert D Pierce
- 👤 Gedmin John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:31
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/52; B65G47/60; B65G47/61
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US801523A
Cited
US1226253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |