PatentVote.com: Vote on your favourite invention!


Primary Examiner: Apley, Richard J.
Assistant Examiner:
Attorney: Peterson, Palmatier, Sturm & Sjoquist, Ltd.

Next ten patents ordered by date:
Practice weight attachment for golf clubs and method of weighting same
Board game with movable playing pieces
Assembly for sealing lead-in areas in a developer station
Self-contained rotary mechanical seals
Sealing insert for the tight connection of two pipes
Cylinder head gasket
Centrifugally-actuated chuck attachment
Lockable chuck for hammer drill
Pallet transport system
Pneumatically suspended bus
Translate:
En
De
Es
Fr
It
Pt
Ja
Ko
Zh 

 

Title: Golf club head with center of gravity near its striking face

Abstract: The golf club head has a metal face plate, vertically spaced horizontal fins extending rearwardly from the back side thereof, and a central vertical rib between each pair of fins. Weight-carrying inserts are threadedly mounted in the face plate and also extend rearwardly from the back side of the face plate. Molded about the fins, ribs and inserts is a plastic material in the form of rigid or structural foamed polyurethane.


Do you think this is a good invention? Vote now:

 Votes so far: For:(0) Against:(0)
Other info:


Inventors: Nygren, Gordon W. (Bloomington, MN, US)

Application Number: 865702
Filing Date: 1977-12-29
Publication_date: 1980-07-22
Assignee:
Primary Class(es): 473/327 473/332, 473/337
Other Classes:
US Patent Ref:
863728Aug, 1907Legh273/169.
922444May, 1909Youds273/169.
1543691Jun, 1925Beat273/173.
1555425Sep, 1925McKenzie273/169.
1567248Dec, 1925Dahlman273/173.
1678637Jul, 1928Drevitson273/169.
2346617Apr, 1944Schaffer273/169.
2414234Jan, 1947Link273/169.
2460435Feb, 1949Schaffer273/169.
3212783Oct, 1965Bradley et al.273/173.
3644168Feb, 1972Bonk et al.273/DIG.
3847399Nov, 1974Raymont273/78.
3863932Feb, 1975Lezatte273/173.

Other Refs: 16070 of4088214590059636521387955
, 1908GB
Apr, 1934GB
Dec, 1936GB
Jul, 1964GB
Mar, 1975GB
Other References: "Golf Digest," Nov. 1975; p. 27.
"Golf World," Aug. 11, 1972, p. 22.