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.
Patent No.:
Date of Patent:
Dec. 01, 1981
Filed:
Jun. 30, 1980
Applicant:
Inventor:
Larry A Neighbor, Holland, MI (US);
Assignee:
BLD Products, Ltd., Holland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
261 / ; 91443 ; 1375133 ;
Abstract
A vacuum control assembly wherein a vacuum motor is operated at a delayed rate in one direction under the control of a valve assembly holding a filter and valve closure element all supported in operating position without requiring the use of fasteners, press fits or welding and providing the multiple functions of a seal, a filter compartment, a valve housing, and spring seat.