The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 15, 2015

Filed:

Nov. 26, 2014
Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventors:

Stephen C. P. Joseph, Woodbury, MN (US);

Malcolm F. Douglas, Swansea, GB;

Alan F. Butler, Warwickshire, GB;

David R. Bastow, Warwickshire, GB;

Jerome E. Salhus, Bloomington, MN (US);

Margaret A. Hartfel, St. Paul, MN (US);

Assignee:

3M INNOVATIVE PROPERTIES COMPANY, Saint Paul, MN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05B 7/30 (2006.01); B05B 7/24 (2006.01); B29C 51/08 (2006.01); B01D 35/02 (2006.01); B01D 35/28 (2006.01); B29C 51/10 (2006.01); B29K 23/00 (2006.01);
U.S. Cl.
CPC ...
B05B 7/2408 (2013.01); B01D 35/02 (2013.01); B01D 35/28 (2013.01); B05B 7/247 (2013.01); B05B 7/2478 (2013.01); B05B 7/2481 (2013.01); B29C 51/08 (2013.01); B29C 51/10 (2013.01); B29C 2791/006 (2013.01); B29C 2791/007 (2013.01); B29K 2023/0633 (2013.01); Y10S 239/14 (2013.01);
Abstract

Apparatus and methods for spraying a liquid relating to a gravity-fed spray gun are disclosed. Disclosed gravity fed spray guns may comprise a body and an attachment point located at a top portion of the body; and a spray nozzle located at a front portion of the body. An apparatus may further comprise a fluid reservoir configured to contain a fluid to be sprayed through the spray nozzle, the fluid reservoir comprising a container comprising an open end; a lid for cooperative engagement with the open end of the container, the lid comprising a connector to couple the fluid reservoir to the attachment point of the spray gun and an aperture through which the fluid can flow from the fluid reservoir to the spray nozzle in use; and a filter positioned to filter the fluid before reaching the spray nozzle.


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