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Patent 8635 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 8635
(21) Application Number: 8635
(54) English Title: IMPROVEMENTS ON MIDDLINGS PURIFIERS
(54) French Title: PERFECTIONNEMENTS AUX EPURATEURS DES GRUAUX
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
(51) International Patent Classification (IPC): N/A
(72) Inventors :
  • CHARLESWORTH, DAVID (Canada)
(73) Owners :
  • DAVID CHARLESWORTH
(71) Applicants :
(74) Agent:
(74) Associate agent:
(45) Issued: 1878-04-12
(22) Filed Date:
Availability of licence: N/A
Dedicated to the Public: N/A
(25) Language of filing: English

Patent Cooperation Treaty (PCT): No

(30) Application Priority Data: None

Abstracts

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Claims

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Claim 1st The combination of the suction fan M operating by currents of air through the suction spouts L L and through the sieves C1,2,3,4 and controlled by the regulating valves I I I I and main valves K K 2nd The combination of the shaker and sieves C1,2,3,4 clothed with different grades of cloth, and the carrying boards D1,2,3,4 for carrying the purified middlings to the discharge spouts E E E and outlets F G H and the regulating valves I I I I for offal, purified middlings and seconds. 3rd The combination of the shaker and the mode of building the same in which the sieves C1 and C4 are used instead of return boards the sieves distributing the misddlings evenly.
Description

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Representative Drawing

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Administrative Status

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Event History

Description Date
Inactive: Expired (old Act Patent) latest possible expiry date 1896-04-12
Grant by Issuance 1878-04-12

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
DAVID CHARLESWORTH
Past Owners on Record
None
Past Owners that do not appear in the "Owners on Record" listing will appear in other documentation within the application.
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