Domestic appliance

• US 3,088,453 A
• Filed: 09/15/1961
• Issued: 05/07/1963
• Est. Priority Date: 09/15/1961
• Status: Expired due to Term

• Current Assignee: Edwin O. Grahn, Louis Gelfand
• Original Assignee: Edwin O. Grahn, Louis Gelfand
• Inventors: Grahn, Edwin O., Gelfand, Louis
• Application Number:
  US04/138,498
• Time in Patent Office: 599 Days
• US Class Current: 126/273.00R
• CPC Class Codes: F24C 15/04 with transparent panels

Claims

1. A COMBINATION, CASING MEANS DEFINING AN OVEN HAVING A FRONT OPENING THROUGH WHICH FOOD MAY BE LOADED AND UNLOADED AND ENCLOSING A HEATING ELEMENT FOR COOKING FOOD, MEANS FOR SUPPORTING FOOD IN SAID OVEN, AND A DOOR FOR CLOSING SAID OPENING, SAID DOOR COMPRISING A FRAME SEALINGLY SELECTIVELY ENGAGEABLE WITH SAID CASING AND HAVING A CENTRAL APERTURE ADJACENT SAID SUPPORTING MEANS FOR VISIBLY EXPOSING FOOD IN SAID OVEN, A FIRST TRANSPARENT GLASS PANEL CARRIED BY SAID FRAME AND CLOSING SAID APERTURE, A SECOND GLASS PANEL SPACED FROM SAID FIRST GLASS PANEL CARRIED BY SAID FRAME, SAID SECOND GLASS PANEL HAVING A FIRST REFLECTIVE METALLIZED BAR PATTERN VACUUM PLATED ON ONE SIDE THEREOF AND A SECOND REFLECTIVE METALLIZED BAR PATTERN ON THE OTHER SIDE THEREOF OFFSET FROM SAID FIRST METALLIZED PATTERN BY THE WIDTH OF SAID FIRST METALLIZED PATTERN, SAID SECOND GLASS PANEL PROVIDING AN OBLIQUE PATH OF VISION THROUGH THE TICKNESS THEREOF BETWEEN THE FIRST AND SECOND REFLECTIVE METALLIZED BAR PATTERNS FROM THE OUTSIDE OF SAID OVEN TO THE SUPPORTING MEANS WHEREBY THE HEAT FROM FOOD ON SAID SUPPORTING MEANS AND THE HEAT FROM SAID HEATING ELEMENT IS REFLECTED BY SAID PATTERNS BACK INTO SAID OVEN.