← Back to Patent Explorer
US3578524A Expired / Lapsed US ⏱️ 0.0 years remaining

Procedure during the production of a packaging container comprising an outer sleeve and a lining with an outward-turned flange

Assignee: Sobrefina SA
•
Filing: 1967-10-16
•
Granted: 1971-05-11
•
Expires: 1987-10-16
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A METHOD FOR FORMING A CONTAINER HAVING AN INNER LINER WITH A RADIAL FLANGE EXTENDING OUTWARDLY THEREFROM ADJACENT ITS UPPER PORTION AND BEING INSERTED IN A SLEEVE UP TO THE FLANGE AND THE FLANGE BEING FOLDED DOWN ABOUT THE SLEEVE TO SECURE THE SLEEVE AND LINER TOGETHER.

Inventors

  • 👤 Rolf Lennart Ignell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 06:38
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C66/00; B29C66/01; B29C66/03; B29C66/032; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/12; B29C66/122; B29C66/1222; B29C66/1224; B29C66/13; B29C66/131; B29C66/1312; B29C66/135; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5344; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B65; B65D; B65D11/00; B29C66/70; B29C66/71; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1034

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-05-10 1974-11-09 1975-05-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-05-10 1978-11-09 1979-05-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-05-10 1982-11-09 1983-05-11 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag