Language selection

Search

Patent 430229 Summary

Third-party information liability

Some of the information on this Web page has been provided by external sources. The Government of Canada is not responsible for the accuracy, reliability or currency of the information supplied by external sources. Users wishing to rely upon this information should consult directly with the source of the information. Content provided by external sources is not subject to official languages, privacy and accessibility requirements.

Claims and Abstract availability

Any discrepancies in the text and image of the Claims and Abstract are due to differing posting times. Text of the Claims and Abstract are posted:

  • At the time the application is open to public inspection;
  • At the time of issue of the patent (grant).
(12) Patent: (11) CA 430229
(21) Application Number: 430229
(54) English Title: MATERIAL SEPARATING MEANS
(54) French Title: DISPOSITIF A SEPARER DES MATERIAUX
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
(51) International Patent Classification (IPC):
  • A01F 25/20 (2006.01)
  • A01K 5/00 (2006.01)
  • B01D 11/02 (2006.01)
  • B01D 15/00 (2006.01)
  • B01D 21/00 (2006.01)
  • B01D 24/00 (2006.01)
  • B01D 33/00 (2006.01)
  • B01D 45/16 (2006.01)
  • B01D 53/14 (2006.01)
  • B01J 8/00 (2006.01)
  • B01J 37/12 (2006.01)
  • B03B 4/00 (2006.01)
  • B03B 5/00 (2006.01)
  • B03B 11/00 (2006.01)
  • B03C 1/253 (2006.01)
  • B04C 3/00 (2006.01)
  • B04C 7/00 (2006.01)
  • B04C 9/00 (2006.01)
  • B07B 1/18 (2006.01)
  • B07B 4/06 (2006.01)
  • B07B 7/01 (2006.01)
  • B08B 3/04 (2006.01)
  • B23K 7/00 (2006.01)
  • B23K 9/013 (2006.01)
  • B23K 10/00 (2006.01)
  • B23K 15/08 (2006.01)
  • B23K 26/00 (2014.01)
  • B23Q 1/28 (2006.01)
  • B24C 1/04 (2006.01)
  • B26D 7/26 (2006.01)
  • B26F 3/00 (2006.01)
  • B30B 9/00 (2006.01)
  • B41F 15/00 (2006.01)
  • B41F 33/16 (2006.01)
  • B43L 13/02 (2006.01)
  • B65H 3/00 (2006.01)
  • B65H 5/00 (2006.01)
  • B65H 39/043 (2006.01)
  • C09K 19/00 (2006.01)
  • C10G 11/18 (2006.01)
  • G02F 1/00 (2006.01)
  • G03B 27/30 (2006.01)
  • G03G 15/00 (2006.01)
  • G03G 21/00 (2006.01)
(72) Inventors :
  • EDWIN L. WIEGAND,
(73) Owners :
  • EDWIN L. WIEGAND
(71) Applicants :
  • EDWIN L. WIEGAND
(74) Agent:
(74) Associate agent:
(45) Issued: 1945-09-25
(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

Sorry, the abstracts for patent document number 430229 were not found.

Claims

Note: Claims are shown in the official language in which they were submitted.

Sorry, the claims for patent document number 430229 were not found.
Text is not available for all patent documents. The current dates of coverage are on the Currency of Information  page

Description

Note: Descriptions are shown in the official language in which they were submitted.

Sorry, the description for patent document number 430229 was not found. Text is not available for all patent documents. The current dates of coverage are on the Currency of Information  page

Representative Drawing

Sorry, the representative drawing for patent document number 430229 was not found.

Administrative Status

2024-08-01:As part of the Next Generation Patents (NGP) transition, the Canadian Patents Database (CPD) now contains a more detailed Event History, which replicates the Event Log of our new back-office solution.

Please note that "Inactive:" events refers to events no longer in use in our new back-office solution.

For a clearer understanding of the status of the application/patent presented on this page, the site Disclaimer , as well as the definitions for Patent , Event History , Maintenance Fee  and Payment History  should be consulted.

Event History

Description Date
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: IPC from PCS 2023-05-20
Inactive: Expired (old Act Patent) latest possible expiry date 1962-09-25
Grant by Issuance 1945-09-25

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
EDWIN L. WIEGAND
Past Owners on Record
EDWIN L. WIEGAND
Past Owners that do not appear in the "Owners on Record" listing will appear in other documentation within the application.
Documents

To view selected files, please enter reCAPTCHA code :



To view images, click a link in the Document Description column. To download the documents, select one or more checkboxes in the first column and then click the "Download Selected in PDF format (Zip Archive)" or the "Download Selected as Single PDF" button.

List of published and non-published patent-specific documents on the CPD .

If you have any difficulty accessing content, you can call the Client Service Centre at 1-866-997-1936 or send them an e-mail at CIPO Client Service Centre.


Document
Description 
Date
(yyyy-mm-dd) 
Number of pages   Size of Image (KB) 
Claims 1995-08-15 3 227
Drawings 1995-08-15 2 136
Descriptions 1995-08-15 17 1,024