US3587213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Street sweeper filter cleaning system
Assignee: Wayne Manufacturing Co
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Filing: 1970-03-26
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Granted: 1971-06-28
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Expires: 1990-03-26
Abstract
Abstract A SHAKER MECHANISM FOR VIBRATING STREET SWEEPER AIR FILTERS TO REMOVE DIRECT ACCUMULATIONS FROM THEIR SURFACES, THE INVENTION PROVIDING PARTICULARLY A HYDRAULICALLY DRIVEN ENCLOSED ECCENTRIC FORCE GENERATING MECHANISM AND A SHAKER COMPONENT RECEIVABLE BETWEEN FILTER CELLS AND OPERABLE WITHIN LIMITED DISPLACEMENT RANGE TO PRODUCE IMPACT LIMITED RESONANT VIBRATION OF THE CELLS.
Inventors
- 👤 Simon Tamny
- 👤 James B Tyler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:13
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/02; B01D46/04; B01D46/66; B01D46/74; B01D46/76; E; E01; E01H; E01H1/00; E01H1/08; E01H1/0827; E01H1/0854; B01D2279/00; B01D2279/55
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 |