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:
Jun. 25, 2002
Filed:
Oct. 05, 1999
Applicant:
Inventor:
David C. Mulligan, Blissfield, MI (US);
Assignee:
Roto Plastics, Inc., Adrian, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 4/104 ; B29C 4/146 ;
U.S. Cl.
CPC ...
B29C 4/104 ; B29C 4/146 ;
Abstract
A one-piece face mask with an integral inflatable cushion for use in providing an anesthetic to a patient. The mask has a dome shape outer wall terminating at its circumference in a thickened base on which the inflatable cushion is supported. The one-piece mask is formed by a combination of a rotational plastic molding process and gravity casting, which enables the different parts of the mask to be made of different thicknesses related to the function performed by the different parts in use of the mask.