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:
Feb. 04, 2020
Filed:
Oct. 07, 2016
Wavin B.v., CW Zwolle, NL;
Silas Rudolf Boxum, Zwolle, NL;
Wavin B.V., Zwolle, NL;
Abstract
Inspection chamber for a pipe structure for drainage or sewerage, the chamber having an inspection entrance at a first side for connecting up with an inspection shaft, the chamber further being provided with a feet-structure at a second side, the first side and the second side being opposite sides of the inspection chamber, the feet-structure comprising at least two feet which are in combination configured for: stabilizing the inspection chamber when positioned on a supporting ground in such a way that the inspection entrance is at an upper position, therewith hindering sideways falling of the inspection chamber; and maintaining the manufactured shape of the inspection entrance of another one of such an inspection chamber when the feet-structure is placed in a mating position with the inspection entrance of that other one of such an inspection chamber, for instance during storage and/or transport thereof; and of which each foot itself is configured for: resisting sinking of the inspection chamber into a sandy ground when positioned on such a sandy ground in such a way that the inspection entrance is at an upper position.