Patent US2815871A successfully refreshed from Google Patents.
US2815871A
Expired / Lapsed
US
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Warehouse system
Assignee: ZEC New York Inc
•
Filing: 1954-05-27
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Granted: 1957-12-10
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Expires: 1974-05-27
Abstract
No abstract record available.
Inventors
- 👤 Ferguson A Kingsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:27
CPC Classifications
B; B65; B65G; B65G1/00; B65G1/02; B65G1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1557100A
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US1616693A
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US2564056A
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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) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |