GB515876A — Improvements relating to packages
Assigned to Individual · Expires 1939-12-15 · 86y expired
What this patent protects
515,876. Packages. SALFISBERG, L. L. July 6, 1938, No. r9993. Convention date Oct. 5, 1937. [Class 94 (i)] A package comprises a relatively stiff backing 1 of cellulosic material, and a transparent rubber &c. membrane 12 thermoplastic ally secured to the backing in the margin…
USPTO Abstract
515,876. Packages. SALFISBERG, L. L. July 6, 1938, No. r9993. Convention date Oct. 5, 1937. [Class 94 (i)] A package comprises a relatively stiff backing 1 of cellulosic material, and a transparent rubber &c. membrane 12 thermoplastic ally secured to the backing in the marginal areas 11a ... 11d enclosing articles 2 in spaced relatior.ship. The backing may be coated with caseine, and may bear printed impressions 3 .... 10, and may be provided with corrugated deformations 14 with which the membrane 12 is bonded. The' backing .may be lacquered metal foil, fibre &c. and may be deformed to accommodate the article.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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