Pen points for writing instruments

Details Pen points for writing instruments Pen points for writing instruments

1980-02-22

1981-06-30

Pellegrino, Stephen C.

Coating implements with material supply

Including ball, roller or endless-belt tool

Ball

401265, 401292, B43K 700, B43K 106

Patent

active

RE0306592

ABSTRACT:
Pen point for writing instruments which is a rod-shaped wick composed of synthetic resin filaments and in which narrow slots defined by said filaments extend longitudinally in said wick and form ink passageways, comprising in the cross-section

REFERENCES:
patent: 3510227 (1970-05-01), Horie et al.
patent: 3520629 (1970-07-01), Otsuka
patent: 3572954 (1971-03-01), Cheron
patent: 3614247 (1971-10-01), Otsuka
patent: 3617325 (1971-11-01), Spokes et al.
patent: 3718401 (1973-02-01), Kiriu
patent: 3778495 (1973-12-01), Woolley
patent: 3830576 (1974-08-01), Kohno et al.
patent: 3932044 (1976-01-01), Otake et al.
patent: 3945869 (1976-03-01), Miller
patent: 3969027 (1976-07-01), Randar
patent: 4072430 (1978-02-01), Otsuka

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