Slab bolster

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Description

FIG. 1 is a top left perspective view of a slab bolster showing my new design.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a right side elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Claims

The ornamental design for a slab bolster as shown and described.

Referenced Cited
U.S. Patent Documents
1720193 July 1929 White
2627793 February 1953 White
D265721 August 10, 1982 Emgard
4942714 July 24, 1990 Langley, Jr.
D393997 May 5, 1998 Hartzheim
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6772571 August 10, 2004 Sorkin
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D571189 June 17, 2008 Verelli
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8312687 November 20, 2012 Yee
D732928 June 30, 2015 Recker
D733529 July 7, 2015 Recker
D742031 October 27, 2015 Hammon
D755591 May 10, 2016 Magee
10106985 October 23, 2018 Waldner
10604933 March 31, 2020 Gilner
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11286668 March 29, 2022 Cramer
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20210108414 April 15, 2021 Cross
Foreign Patent Documents
218795 November 2024 CA
Other references
  • “Slab Bolster” Aug. 18, 2025, Fisterinc.com, site visted Aug. 18, 2025: https://fisterinc.com/bolsters/ (Year: 2025).
  • ALP Supply, Inc., Precast Accessories Catalog, Plastic Bar Supports, 2018, pp. 126-127, ALP Supply, Inc., Fairless Hills, PA, US.
Patent History
Patent number: D1151162
Type: Grant
Filed: Dec 14, 2022
Date of Patent: Oct 6, 2026
Assignee: ALP Supply, Inc. (Fairless Hills, PA)
Inventor: David S. Jablonsky (Washington Crossing, PA)
Primary Examiner: Joseph Kukella
Assistant Examiner: Rene H. Kadoo
Application Number: 29/862,968
Classifications
Current U.S. Class: D8/354