Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUSD247254 S
Publication typeGrant
Application numberUS 05/712,824
Publication dateFeb 14, 1978
Filing dateAug 9, 1976
Priority dateFeb 9, 1976
Publication number05712824, 712824, US D247254 S, US D247254S, US-S-D247254, USD247254 S, USD247254S
InventorsBrian E. Brown, Alfred G. Hall
Original AssigneeModuloc Concrete Products (London) Ltd.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Pre-cast concrete unit for manholes
US D247254 S
Abstract  available in
Images(1)
Previous page
Next page
Claims(1)
  1. The ornamental design for a pre-cast concrete unit for manholes, as shown and described.
Description

FIG. 1 is a top perspective view of the design;

FIG. 2 is a bottom perspective view thereof.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US5628152Aug 16, 1995May 13, 1997Bowman; Harold M.Adjustable manhole cover support with shield
US6007270May 12, 1997Dec 28, 1999Bowman; Harold M.Manhole frame assembly
Classifications
U.S. ClassificationD25/36