The FIGURE is a front perspective view of a sash with interlock for a window, showing our new design, the rear perspective view being a mirror image, and which is shown fragmented indicating indefinite length.

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Classifications

2 codes

IPC · International Patent Classification

Section /

/DRW

USPC · US Patent Classification

D25/124

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Pendency

1.2 y

428 days filing → grant

Office actions

none on record

Examiner

Doris Clark

art unit 2914 · TC 2900

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