Patent US3555131A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3555131A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for making reinforced modular foam panels

Assignee: Individual
•
Filing: 1966-11-18
•
Granted: 1971-01-12
•
Expires: 1986-11-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A METHOD OF FABRICATING LIGHTWEIGHT MODULAR STRUCTURAL PANEL HAVING HEAT AND SOUND INSULATING PROPERTIES AND WHICH IS IMPERVIOUS TO THE PASSAGE OF MOISTURE THERETHROUGH, WHICH INCLUDES: FIRST FABRICATING OF ELONGATED METAL RODS A THREE DIMENSIONAL LATTICE DEFINING SKETAL FORMS OF SPACED SIDE, END, TOP AND BOTTOM SURFACES AND A PLURALITY OF INTERNAL BRACES TRAVERSING THE INTERIOR OF THE LATTICE; SECOND SUPPORTING THE LATTICE ON A FORM SURFACE; THRID, INTRODUCING INTO THE SUPPORTED LATTICE AROUND THE BRACES A LAYER OF HARD-SETTING LIQUID FOAM ORGANIC RESIN PLASTIC MATERIAL; AND FOURTH, HARD-SETTING THE FOAM PLASTIC MATERIAL IN THE LATTICE TO PROVIDE A UNITARY RIGID MASS OF UNICELLULAR FOAM WHICH SURROUNDS AND BONDS TO THE BRACES INTERNALLY OF THE LATTICE DURING SETTING OF THE MATERIAL.

Inventors

  • 👤 Victor P Weismann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 20:10
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/20; E04C2/205; B; B29; B29C; B29C44/00; B29C44/20; B29C44/32; B29C44/329; B29C44/332; E04C2/04; E04C2/044; E04C2002/045; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/24157; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/24999

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) 1974-01-11 1974-07-13 1975-01-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-01-11 1978-07-13 1979-01-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-01-11 1982-07-13 1983-01-12 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag