Reducing space requirements and floor load of paper search file in the German patent office

A. Wittman and J. Stillger

World Patent Information, 1983, vol. 5, issue 2, 110-113

Abstract: Starting from the basic assumption that in technical fields with high searching activity, the manual search file has to be in paper form, whereas in fields where the number of searches is low, microform is acceptable for examiners, the authors show possibilities of how to accommodate new accessions and still achieve zero growth of space requirement for the paper search file by using roll microfilm. The number of incoming patent applications in definite IPC units, and the citation frequency in relation to age and origin of documents are chosen as criteria to select parts of the search file for filming.

Date: 1983
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