Air pump

Details Air pump Air pump

2003-09-17

2004-12-14

Seifert, Ralf (Department: 2914)

Machines not elsewhere specified

Pump or compressor

Design Patent

active

D0499743

CLAIM:
The ornamental design for an air pump, substantially as shown and described.

REFERENCES:
patent: 1160528 (1915-11-01), Pilkington
patent: 1236479 (1917-08-01), Peteler
patent: 1280511 (1918-10-01), McBeth
patent: 1382603 (1921-06-01), Wheeler
patent: 1370993 (1921-08-01), Perkins
patent: 2200012 (1940-05-01), Russell et al.
patent: 2573375 (1951-10-01), Winstead
patent: 2781166 (1957-02-01), Flood et al.
patent: D257878 (1981-01-01), Schwartz
patent: 4289458 (1981-09-01), Price
patent: D358398 (1995-05-01), Persson
patent: D439310 (2001-03-01), Wang
patent: D463452 (2002-09-01), Soderqvist

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