Title: Sliding door, meant especially to be used in fire protection or insulation

Abstract: Sliding door, meant especially to be used in fire protection or insulation, whereby the sliding door comprises a framework consisting of a number of profiles on which framework panels are attached.

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Inventors: Markus, Jan J. (Krimpen aan den Ijssel, NL)

Application Number: 865286
Filing Date: 1977-12-28
Publication_date: 1980-01-29
Assignee: Markus Hermetische Deuren B. V. (Krimpen aan den Ijssel, NL)
Primary Class(es): 49/501 49/409, 52/207, 52/784.11
Other Classes:
US Patent Ref:

969163	Sep, 1910	Hunter	49/501.
1124778	Jan, 1915	Meuler	52/628.
1979309	Nov, 1934	Beiger	52/614.
3058173	Oct, 1962	Brydolf	49/411.
3327428	Jun, 1967	Horton et al.	49/409.
3383799	May, 1968	Anderson	49/501.
3879894	Apr, 1975	Anderson	49/501.
3879912	Apr, 1975	Cox	49/409.
4031665	Jun, 1977	Abramson	49/501.

Other Refs:
Primary Examiner: Kannan, Philip C.
Assistant Examiner:
Attorney: Flocks; Karl W.