Patent US2815116A successfully refreshed from Google Patents.
US2815116A
Expired / Lapsed
US
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Flight type conveyor with forwardly projecting load supporting arms on the flights
Assignee: VIKING Manufacturing CO
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Filing: 1954-01-25
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Granted: 1957-12-03
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Expires: 1974-01-25
Abstract
No abstract record available.
Inventors
- 👤 John A Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:01
CPC Classifications
B; B65; B65G; B65G19/00; B65G19/18; B65G19/22; B65G65/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US748576A
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US668378A
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US993650A
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US1377686A
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US1550365A
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US1535386A
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DE695430C
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US2286580A
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US2400502A
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US2368353A
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US2606648A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |