Floor polishing apparatus

Details Floor polishing apparatus Floor polishing apparatus

1999-09-20

2001-05-15

Zarfas, Louis S. (Department: 2914)

Building units and construction elements

Structure

Having curved or vaulted roof

Design Patent

active

D0442288

CLAIM:
The ornamental design for a floor polishing apparatus, as shown and described.

REFERENCES:
patent: D. 87851 (1932-09-01), Myers
patent: D. 296250 (1988-06-01), Genovese
patent: 4071920 (1978-02-01), Block
patent: 4490873 (1985-01-01), Stratton
patent: 4742652 (1988-05-01), Cannan et al.
patent: 5279672 (1994-01-01), Betker et al.
patent: 5605493 (1997-02-01), Donatelli et al.
patent: S-128217 (1996-10-01), None
patent: S-128216 (1996-10-01), None

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