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US3010766A
Expired / Lapsed
US
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Compressor and granular-material conveying systems
Assignee: Individual
•
Filing: 1959-04-16
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Granted: 1961-11-28
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Expires: 1979-04-16
Abstract
No abstract record available.
Inventors
- 👤 William D Coski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:12
CPC Classifications
B; B65; B65G; B65G53/00; B65G2812/00; B65G2812/16; B65G2812/1608; B65G2812/1616; B65G2812/1625; B65G2812/1633
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1898354A
Cited
US1889163A
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US2303627A
Cited
US2539109A
Cited
US2677389A
Cited
US2674189A
Cited
US2814531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |