Title: Playing surface structure for spinning top pin games

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Claims: What I claim is:

1. A playing surface structure for a spinning top pin game, the combination therewith of: rebound walls defining a rectangular perimeter for the playing surface, the latter being in the form of a flat sheet of rigid material the upper surface of which constitutes a playing surface having indicia thereon to define locations at which pins may be set up thereon; means fastening the playing surface member to said rebound wall members; a leg of fixed predetermined length at each corner of one pair of opposed diagonal corners of the rectangular playing surface and extending below said playing surface member to support the latter diagonally about the bottom ends of said legs; a level indicating device supported in one of said wall members at a predetermined gradient relative to the plane of the playing surface, the direction of said gradient being substantially at right angles to the diagonal between one pair of opposed corners; and an adjustable leg at each of the other corners of said side wall members extending therebelow for adjustment of the gradient of the playing surface to a predetermined value at which the levelling device indicates a level condition for said device.

2. The combination of claim 1 and rebound indicia on said side wall members.

3. The combination of claim 1 and a sloped washer supporting said levelling device in said one of said wall members.

Other info:

Inventors: Laszlo, Lajos George

Application Number: 524487
Filing Date: 1974-11-18
Publication_date: 1976-01-27
Assignee:
Primary Class(es): 273/108
Other Classes:
US Patent Ref:

197091	Nov, 1877	Brown	273/108.
3178184	Apr, 1965	Glassman	273/108.

Other Refs: 498,939491,271275,833812,528

Jan, 1939	UK
Mar, 1953	CA
Sep, 1951	CH
Jul, 1951	DT

Primary Examiner: Oechsle, Anton O.
Assistant Examiner: Strappello, Harry G.
Attorney: Cavanagh; J. Richard