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US3561020A Expired / Lapsed US ⏱️ 0.0 years remaining

Work surface clamping means for drop-in cooking equipment

Assignee: Hobart Corp
•
Filing: 1969-06-24
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Granted: 1971-02-09
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Expires: 1989-06-24
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Abstract

Abstract CLAMPING MEANS FOR FASTENING A DROP-IN COOKING EQUIPMENT DEVICE TO A WORK SURFACE INCLUDING A STIFFENING ANGLE SUITABLY SECURED TO THE UNDER SIDE OF THE WORK SURFACE ADJACENT TO AN OPENING PROVIDED THEREIN FOR RECEIVING THE DROP-IN DEVICE, ONE LEG OF THE STIFFENING ANGLE HAVING AT LEAST ONE SLOT THEREIN FOR RECEIVING AN END OF AT LEAST ON CLAMPING MEMBER, THE OTHER END OF THE CLAMPING MEMBER ENGAGING AN EXTERNALLY PROJECTING FLANGE OF THE DROP-IN DEVICE, AND A SCREW SUITABLY RECEIVED BY THE PORTION OF THE CLAMPING MEMBER EXTENDING BETWEEN THE END THEREOF PASSING THROUGH THE SLOT IN THE STIFFENING ANGLE AND THE END OF THE CLAMPING MEMBER ENGAGING THE EXTERNALLY PROJECTING DROP-IN DEVICE FLANGE WHEREBY ROTATION OF THE SCREW IN A GIVEN DIRECTION CAUSES THE CLAMPING MEMBER TO MOVE AWAY FROM THE WORK SURFACE SUCH THAT THE TRIM SURROUNDING AND INTEGRAL WITH THE PERIMETER OF THE DROPIN DEVICE IS DRAWN DOWN TIGHTLY UPON THE UPPER SIDE OF THE WORK SURFACE ADJACENT THE OPENING THEREIN.

Inventors

  • 👤 Donald E Fritzsche

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 21:10
CPC Classifications
A; A47; A47B; A47B77/00; A47B77/04; A47B77/08; F; F24; F24C; F24C15/00; F24C15/10; F24C15/108

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-02-08 1974-08-10 1975-02-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-02-08 1978-08-10 1979-02-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-02-08 1982-08-10 1983-02-09 $7700.00 Window Closed / Lapsed

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