Manhole riser sleeve
Description
Claims
The ornamental design for a manhole riser sleeve, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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- Riser Wrap, available in wilbert.ca, announced: undated product page [online], [site visited Dec. 8, 2022], Internet URL:https://www.wilbert.ca/wp-content/uploads/2020/11/AWS_RISER_WRAP_INFO.pdf (Year: 2022).
Patent History
Patent number: D984499
Type: Grant
Filed: Mar 10, 2021
Date of Patent: Apr 25, 2023
Assignee: ALBERTA WILBERT SALES LTD (Edmonton)
Inventor: David Dallaire (Edmonton)
Primary Examiner: Calvin E Vansant
Assistant Examiner: Eidiol Ghigliotty Torres
Application Number: 29/773,525
Type: Grant
Filed: Mar 10, 2021
Date of Patent: Apr 25, 2023
Assignee: ALBERTA WILBERT SALES LTD (Edmonton)
Inventor: David Dallaire (Edmonton)
Primary Examiner: Calvin E Vansant
Assistant Examiner: Eidiol Ghigliotty Torres
Application Number: 29/773,525
Classifications
Current U.S. Class:
Molding Or Casting (D15/135)