← Back to Patent Explorer
US4059032A Expired / Lapsed US ⏱️ 0.0 years remaining

Device for prying loose a pressure cooker cover

Assignee: Individual
•
Filing: 1976-09-17
•
Granted: 1977-11-22
•
Expires: 1996-09-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A convenience device, advantageously using the mechanical advantage of a lever, to rotate a cover of a pressure cooker relative to its base, to thereby "break" the surface adherence or seal therebetween, preparatory to removal of the otherwise stuck, or hard to disengage, pressure cooker cover.

Inventors

  • 👤 Charles B. Tornell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 22:20
CPC Classifications
B; B25; B25B; B25B27/00; A; A47; A47J; A47J27/00; A47J27/08; A47J27/0804

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 163 words
A convenience device for a pressure cooker of the type having a cylindrical cooking member and a circular cover for same, each with a laterally extending handle, said device being adapted to removingly release said cover from its sealed engagement with said cooking member and comprising an elongated body operatively arranged in a horizontal plane adjacent said cooking member handle, said elongated body having a gripping handle at its proximal end and a bearing member at its distal end in contact with said cooking member handle, and a positioning and pulling member adapted to be mounted on said cover handle with a depending leg thereof pivotally connected to said elongated body, whereby urging said elongated body through a pivotal traverse pries said cover from said cooking member by causing rotative movement of said cover relative to said cooking member, wherein said positioning member is in the specific form of a closed loop body adapted to accommodate the cover handle in projected relation therethrough.
Claim 2
Dependent Claim 163 words
A convenience device for a pressure cooker of the type having a cylindrical cooking member and a circular cover for same, each with a laterally extending handle, said device being adapted to removingly release said cover from its sealed engagement with said cooking member and comprising an elongated body operatively arranged in a horizontal plane adjacent said cooking member handle, said elongated body having a gripping handle at its proximal end and a bearing member at its distal end in contact with said cooking member handle, and a positioning and pulling member adapted to be mounted on said cover handle with a depending leg thereof pivotally connected to said elongated body, whereby urging said elongated body through a pivotal traverse pries said cover from said cooking member by causing rotative movement of said cover relative to said cooking member, wherein said positioning member is in the specific form of a closed loop body adapted to accommodate the cover handle in projected relation therethrough.

References Cited (Backward Citations)

US673164A Cited
US2681791A Cited
US3680838A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-11-21 1981-05-23 1981-11-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-11-21 1985-05-23 1985-11-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-11-21 1989-05-23 1989-11-22 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag