USD247254S - Pre-cast concrete unit for manholes - Google Patents

Pre-cast concrete unit for manholes Download PDF

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Publication number
USD247254S
USD247254S US05712824 US71282476F USD247254S US D247254 S USD247254 S US D247254S US 05712824 US05712824 US 05712824 US 71282476 F US71282476 F US 71282476F US D247254 S USD247254 S US D247254S
Authority
US
Grant status
Grant
Patent type
Design
Prior art keywords
fig
cast
concrete
pre
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US05712824
Inventor
Brian E. Brown
Alfred G. Hall
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Moduloc Concrete Products London Ltd
Original Assignee
Moduloc Concrete Products London Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Grant date

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Description

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

FIG. 2 is a bottom perspective view thereof.

Claims (1)

  1. The ornamental design for a pre-cast concrete unit for manholes, as shown and described.
US05712824 1976-02-09 1976-08-09 Pre-cast concrete unit for manholes Expired - Lifetime USD247254S (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA0902762 1976-02-09

Publications (1)

Publication Number Publication Date
USD247254S true USD247254S (en) 1978-02-14

Family

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5628152A (en) 1995-08-16 1997-05-13 Bowman; Harold M. Adjustable manhole cover support with shield
US6007270A (en) 1993-07-02 1999-12-28 Bowman; Harold M. Manhole frame assembly
USD784498S1 (en) * 2015-11-17 2017-04-18 Kelso Technologies Inc. Locking ring

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6007270A (en) 1993-07-02 1999-12-28 Bowman; Harold M. Manhole frame assembly
US5628152A (en) 1995-08-16 1997-05-13 Bowman; Harold M. Adjustable manhole cover support with shield
USD784498S1 (en) * 2015-11-17 2017-04-18 Kelso Technologies Inc. Locking ring

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