Amusement devices: games – Puzzles – Take-aparts and put-togethers
Patent
1980-03-06
1982-03-02
Apley, Richard J.
Amusement devices: games
Puzzles
Take-aparts and put-togethers
A63B 5300
Patent
active
043175686
ABSTRACT:
A golf putter provided with co-linear reference mark portions to facilitate use of the putter for accurate plumb lining, the mark portions being disposed at a predetermined location along the club shaft such that the lines and the longitudinal centerline of the shaft line in a vertical plane when the putter is held at the extending end of its handle for plumb lining, whereby the club shaft will appear as a vertical plumb line when viewed from a position from which the reference mark portions appear at substantially the circumferential center of the visible portion of the shaft.
REFERENCES:
patent: 1126208 (1915-01-01), Hayford
patent: 1169667 (1916-01-01), Meguyer
patent: 1239356 (1917-09-01), Cochrane et al.
patent: 2846228 (1958-08-01), Reach
patent: 3062549 (1962-11-01), Duden
patent: 3182401 (1965-05-01), Stevens
patent: 3186092 (1965-06-01), Bertas
patent: 3242582 (1966-03-01), Garrett
patent: 3693978 (1972-09-01), East
patent: 3848874 (1974-11-01), Elkins
patent: 4114886 (1978-09-01), Koch
patent: 4212467 (1980-07-01), Shiratori
"Golf Digest", Sep. 1978, pp. 44-49.
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