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US3605826A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for filling containers

Assignee: Carter Engineering Co
•
Filing: 1970-05-01
•
Granted: 1971-09-20
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Expires: 1990-05-01
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Abstract

Abstract THE DISCLOSURE RELATES TO A METHOF AND APPARATUS FOR FILLING CONTAINERS WITH PARTICULATE MATERIAL BY AT LEAST PARTIALLY SURROUNDING THE CONTAINER WITH A SHROUD WHICH SEALINGLY ENGAGES THE CONTAINER TO PROVIDE A BARRIER BETWEEN THE SHROUD AND THE MOUTH OF THE CONTAINER. THE CONTAINER IS LOADED INTO A CONTAINER FILLING ZONE, FILLED, AND UNLOADED FROM THE CONTAINER FILLING ZONE WITH THE BARRIER BETWEEN THE SHROUD AND THE CONTAINER, THEREBY PREVENTING CONTAMINATION OF THE SHROUD INTERIOR AND THE CONTAINER EXTERIOR. A DUST COLLECTING SYSTEM IS OPERABLE TO PREVENT CONTAMINATION BY PARTICLE DUST AND PARTICULATE MATERIAL WHILE LOADING AND UNLOADING CONTAINERS INTO AND OUT OF THE FILLING ZONE.

Inventors

  • 👤 Clarence F Carter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 21:08
CPC Classifications
B; B65; B65B; B65B31/00; B65B31/02; B65B31/025

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-09-19 1975-03-21 1975-09-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-19 1979-03-21 1979-09-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-19 1983-03-21 1983-09-20 $7700.00 Window Closed / Lapsed

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