Application of Russell C. Flint

RICH, Judge.

This appeal is from the decision of the Patent Office Board of Appeals which affirmed the rejection of claims 11 and 12 in appellant’s application serial No. 757,385, filed August 26, 1958, entitled “Releasable Hold Open Device.” No claims were allowed.

The invention relates to a releasable hold open device for doors, and in particular to a new mechanism controlled by a fusible link for automatically releasing the device in case of fire to permit an open door to close, for example under the influence of a door check comprising a door closing mechanism, the latter being the prime…