Patent application for improvements relating to side pieces for spectacle frames

Keywords DePENNING
Optoplast
Trident
Manufacturing
Co.
Ltd.
Hinge
Plate
Ministry/ Department/ Residency PATENTS AND DISGNS KOLKATA
Branch Kolkata
From Year / Date
(YYYY-MM-DD)
1961
To Year / Date
(YYYY-MM-DD)
1961
Source Organization NA
Identifier NAIBHF00004078
File No./Reference No./Sheet No./Folio No. 76694
Location BBSR-R1
Part No. NA
File Size 23.7 MB
Pages 14
Collection Public Records
Call Number NA
Publisher NA
Subject NA
Creator NA
Accession Number NA
Series NA
Year of Publication NA
Language English
Bundle Barcode NAIBHB00000226
Location Code NA
File Barcode NAIBHF00004078
QC Certificate No. QC_20240625BH
Bundle No. 34

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