← Back to Patent Explorer
US4019675A Expired / Lapsed US ⏱️ 0.0 years remaining

Locking container

Assignee: Akerlund and Rausing AB
•
Filing: 1975-10-21
•
Granted: 1977-04-26
•
Expires: 1995-10-21
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A locking container is disclosed which comprises a bottom wall and at least one wall projecting upwardly from the bottom wall so as to define a cavity. The container further includes a flange projecting outwardly from the wall and provided with reinforcing means secured thereto which extend inwardly from the wall into the cavity. The reinforcing means are adapted to receive and lock in place a cover member in sealing relationship to the container.

Inventors

  • 👤 Rolf Andersson
  • 👤 Bengt Bjorklund
  • 👤 Tommy Hedberg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:04
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/20; B65D5/24; B65D5/244; B65D5/246; B65D43/00; B65D43/02; B65D43/0202; B65D43/0204; B65D43/021; B65D5/2038; B65D5/2047; B65D5/42; B65D5/44; B65D5/441; B65D5/445; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/0012; B65D2543/00175; B65D2543/00194; B65D2543/00259; B65D2543/00296; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00509; B65D2543/00537; B65D2543/00546; B65D2543/00592; B65D2543/00601; B65D2543/00611; B65D2543/00648; B65D2543/00675; B65D2543/00685; B65D2543/00712; B65D2543/00722; B65D2543/00731; B65D2543/00787; B65D2543/00796; B65D2543/00824; B65D2543/00833; B65D2543/00842

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 139 words
A container comprising a bottom wall, at least one wall projecting upwardly from said bottom wall to define a cavity, said at least one wall comprising at least two oppositely disposed side portions, a flange projecting outwardly from said wall, said flange having reinforcing means secured thereto at said side portions, a cover member comprising an outer edge flange integral with an inner countersunk portion disposed in a different plane than said outer edge flange and connected thereto by a substantially vertical portion, said reinforcing means being so constructed that it extends inwardly from said wall into said cavity to receive and lock in place said cover member in sealing relationship to said container, and said countersunk portin and said substantially vertical portion cooperating with said reinforcing means to lock said cover member in sealing relationship to said container.
Claim 2
Dependent Claim 139 words
A container comprising a bottom wall, at least one wall projecting upwardly from said bottom wall to define a cavity, said at least one wall comprising at least two oppositely disposed side portions, a flange projecting outwardly from said wall, said flange having reinforcing means secured thereto at said side portions, a cover member comprising an outer edge flange integral with an inner countersunk portion disposed in a different plane than said outer edge flange and connected thereto by a substantially vertical portion, said reinforcing means being so constructed that it extends inwardly from said wall into said cavity to receive and lock in place said cover member in sealing relationship to said container, and said countersunk portin and said substantially vertical portion cooperating with said reinforcing means to lock said cover member in sealing relationship to said container.
Claim 3
Dependent Claim 22 words
The container of claim 1, wherein said reinforcing means is integral with said flange at at least one of said side portions.
Claim 4
Dependent Claim 27 words
The container of claim 1, wherein there are four walls projecting upwardly from said bottom wall arranged in such a manner that they define a rectangular cross-section.
Claim 5
Dependent Claim 16 words
The container of claim 3, wherein said flange extends around the entire perimeter of said container.
Claim 6
Dependent Claim 17 words
The container of claim 4, wherein said reinforcing means extend around the entire length of said flange.
Claim 7
Dependent Claim 31 words
The container of claim 3, wherein said reinforcing means comprises two side members secured to said flange and said side portions and said members extend around the corners of said container.
Claim 8
Dependent Claim 20 words
The container of claim 1 wherein said flange is integral with and folded along the upper edge of said wall.
Claim 9
Dependent Claim 20 words
The container of claim 3 wherein said flange is integral with and folded along the upper edges of said walls.

References Cited (Backward Citations)

US3018024A Cited
US3021001A Cited
US3055540A Cited
US3550835A Cited
US3536248A Cited
US3917155A Cited
US3900155A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-04-25 1980-10-25 1981-04-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-04-25 1984-10-25 1985-04-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-04-25 1988-10-25 1989-04-26 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag