Knob latch

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning

Design Patent

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Details

Design Patent

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D0525513

CLAIM:
The ornamental design for a knob latch, as shown and described.

REFERENCES:
patent: 3391419 (1968-07-01), Thorne-Thomsen
patent: 4114506 (1978-09-01), Aimar
patent: 4556244 (1985-12-01), Bisbing
patent: 4689976 (1987-09-01), Larsen
patent: D302243 (1989-07-01), Gonzalez
patent: D312769 (1990-12-01), Bisbing
patent: 6113160 (2000-09-01), Johansson et al.
patent: 6371313 (2002-04-01), Walter et al.
patent: 6575503 (2003-06-01), Johansson et al.
patent: 6640592 (2003-11-01), Vickers
Southco, Latches and Access Hardware Handbook 45 NA, pp. E-8, E-9, G16 and G17 (6 pages).
EMKA, plastic quarter turn latch (1 page).
EMKA, Wing Knob—program 1000 (1 page).
DIRAK Modular Hardware System, Wing-Handle Zinc Die or PA and Wing-Handle for Padlock (1 page).
DIRAK Modular Hardware Systems, Polyamide Quarter-Turn and Clip-in Quarter-Turn (1 page).

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