Gypsum wall hole filler
US7257931B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Dec 19, 2003 |
| Grant date | Aug 21, 2007 |
| Priority date | — |
| Expiry date | Mar 17, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04F21/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A device for patching wall holes caused by a doorknob or other item impact, which device is assembled in situ between the injured wall member and an adjacent rear wall member. A master plate having a circular opening with four ninety-degree apart radiating outward slots, is adhered to the interior face of the injured wall over the opening. Two inter-engageable body sections each having a tongue are centrally inter-engaged at right angles and retained by placement of a disk designated the central section having a central internal cross-shaped cutout over the engaged tongues. The disk bearing engaged body sections are recessed into the master plate up to the tongues, rotated and locked into position between the wall members. Spackle or plaster is applied, allowed to dry, and then painted/papered to yield a non-discernable repair is applied, allowed to dry and then painted or papered over to yield a non-discernible repair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.