Patent US2304589A successfully refreshed from Google Patents.
Patent US3587833A successfully refreshed from Google Patents.
US3587833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary vibratory feeder
Assignee: SERVICE ENG Inc
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Filing: 1968-06-07
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Granted: 1971-06-28
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Expires: 1988-06-07
Abstract
Abstract A VIBRATORY CONVEYOR OF ROTARY TYPE, WHOSE BOWL-SUPPORTING SPRINGS ARE CONNECTED TO THE REACTION BASE AT A LOW LOCATION THEREOF, AND THE SEVERAL COMPONENTS OF THE BOWL-SUPPORT AND VIBRATION-ENERGIZATION ARE PROVIDED IN OPPOSITELY FACING ARRANGEMENT MAKING THE DIRECTION OF WORK-FEED EASILY REVERSIBLE.
Inventors
- 👤 Grover E Byrum
- 👤 Myron L Doty
- 👤 Charles O Hendricks
- 👤 Floyd Robert Jennings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:51
CPC Classifications
B; B65; B65G; B65G27/00; B65G2812/00; B65G2812/03; B65G2812/0348; B65G2812/0364
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |