Patent US2816516A successfully refreshed from Google Patents.
US2816516A
Expired / Lapsed
US
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Station selecting signal apparatus for truck conveyor systems
Assignee: Richards Wilcox Manufacturing Co
•
Filing: 1953-04-24
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Granted: 1957-12-17
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Expires: 1973-04-24
Abstract
No abstract record available.
Inventors
- 👤 William J Diehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:48
CPC Classifications
B; B65; B65G; B65G43/00; B65G2811/00; B65G2811/06; B65G2811/0673
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |