← Back to Patent Explorer
US4790429B1 Expired / Lapsed US ⏱️ 0.0 years remaining

US4790429B1 - - Google Patents

Assignee: Dispen Pak Japan Co Inc
•
Filing: 1987-12-30
•
Granted: 1991-07-30
•
Expires: 2007-12-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A package for independently storing, but simultaneously dispensing, two or more substances comprises a lid (1) of stiff material and a container member (5) of flexible material fixed to the reverse side of the lid (1) along the periphery thereof. A bending line (4) is defined along the center of the lid surface. The container member (5) forms pockets (6) on both sides of the bending line (4). Each pocket (6) has a portion (7) which communicates with an associated part of the bending line (4) and these parts of the bending line (4) are adapted to be opened to discharge said substances by bending the lid (1).

Inventors

  • 👤 Fukushima Tadao

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 21:19
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/32; B65D81/3261; B65D81/3266; B65D81/3294

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) 1994-07-29 1995-01-28 1995-07-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-07-29 1999-01-28 1999-07-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-07-29 2003-01-28 2003-07-30 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag