US3099493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supports for aerating particulate materials
Assignee: Indevco Ltd
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Filing: 1961-02-02
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Granted: 1963-07-30
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Expires: 1981-02-02
Abstract
No abstract record available.
Inventors
- 👤 Hart Harold De
- 👤 Brooks Donald Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:57
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/04; B65G53/16; B65G53/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
APPARATUS FOR AERATING PARTICULATE MATERIAL COMPRISING A CONTAINER HAVING SIDE WALLS AND A BOTTOM WALL, THE BOTTOM WALL BEING A PLATE MEMBER HAVING A TOP SURFACE AND A BOTTOM SURFACE, A PLURALITY OF APERTURES FORMED THROUGH THE PLATE, EACH APERTURE COMPRISING A STRAIGHTWALLED OUTLET PASSAGE THROUGH THE TOP SURFACE THE BOTTOM AND A STRAIGHT-WALLED INLET PASSAGE THROUGH THE BOTTOM SURFACE OF THE PLATE, A CONSTRICTED PASSAGE BETWEEN THE STRAIGHT-WALLED PASSAGES AND COMMUNICATING THEREWITH, A GAS BOX ENCOMPASSING THE BOTTOM OF THE PLATE IN GAS COM-
Claim 2
Dependent Claim
85 words
APPARATUS FOR AERATING PARTICULATE MATERIAL COMPRISING A CONTAINER HAVING SIDE WALLS AND A BOTTOM WALL, THE BOTTOM WALL BEING A PLATE MEMBER HAVING A TOP SURFACE AND A BOTTOM SURFACE, A PLURALITY OF APERTURES FORMED THROUGH THE PLATE, EACH APERTURE COMPRISING A STRAIGHTWALLED OUTLET PASSAGE THROUGH THE TOP SURFACE THE BOTTOM AND A STRAIGHT-WALLED INLET PASSAGE THROUGH THE BOTTOM SURFACE OF THE PLATE, A CONSTRICTED PASSAGE BETWEEN THE STRAIGHT-WALLED PASSAGES AND COMMUNICATING THEREWITH, A GAS BOX ENCOMPASSING THE BOTTOM OF THE PLATE IN GAS COM-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |