Patent US3013680A successfully refreshed from Google Patents.
US3013680A
Expired / Lapsed
US
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Automatic box destacking and dumping machine
Assignee: SWF Companies Inc
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Filing: 1959-05-18
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Granted: 1961-12-19
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Expires: 1979-05-18
Abstract
No abstract record available.
Inventors
- 👤 Gerald C Paxton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:20
CPC Classifications
B; B65; B65G; B65G59/00; B65G59/06; B65G59/061; B65G59/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US722937A
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US1169602A
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US1967719A
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US2585872A
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US2459204A
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US2702132A
Cited
US2687813A
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US2667281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |