| Patent Number |
Title Of Patent |
Date Issued |
| D273995 |
Access door |
May 22, 1984 |
|
| D273994 |
Access door |
May 22, 1984 |
|
| 4843789 |
Ceiling construction |
July 4, 1989 |
| A ceiling construction for buildings has a plurality of flanged main beams disposed in a predetermined spaced relationship to each other and bridging wall mouldings opposed and spaced from each other; a plurality of flanged cross beams connected to the main beams in a predetermined space |
| 4646490 |
Top rail for use with handrails |
March 3, 1987 |
| A top rail for handrails comprises a top rail body formed of soft synthetic resin, semi-hard synthetic resin or synthetic rubber and having a bendable metal core incorporated therein extending in the longitudinal direction thereof. The bendable metal core is bendable under a force in exc |
| 4619086 |
Ceiling construction |
October 28, 1986 |
| A ceiling construction for buildings has a plurality of flanged main beams disposed in a predetermined spaced relationship to each other and bridging wall mouldings opposed and spaced from each other; a plurality of flanged cross beams connected to the main beams in a predetermined space |
| 4602766 |
Top rail of a handrail |
July 29, 1986 |
| A top rail for handrails comprises a top rail body formed of soft synthetic resin, semi-hard synthetic resin or synthetic rubber and having a bendable metal core incorporated therein extending in the longitudinal direction thereof. The bendable metal core is bendable under a force in exc |
| 4593493 |
Access door |
June 10, 1986 |
| An access door to be installed on the ceiling or the like of a building which essentially comprises an outer square frame adapted to be installed in an opening formed at said installation area; an inner square frame pivotally connected to said outer frame for movement between open and |
| 4566233 |
Ceiling construction |
January 28, 1986 |
| A ceiling construction for buildings has a plurality of flanged main beams disposed in a predetermined spaced relationship to each other and bridging between wall mouldings opposed and spaced from each other; a plurality of flanged cross beams connected to the main beams in a predetermin |
| 4486987 |
Stair nosing |
December 11, 1984 |
| A stair nosing is constituted by a flat frame for lying on a tread of a stair, a non-skid flat tire-like sheet adapted to be snappedly engaged to the flat frame and a tongue-shaped protector for the engaging portion of the flat sheet frame and the non-skid flat sheet. The non-skid flat s |
| 4455797 |
Stair nosing |
June 26, 1984 |
| A stair nosing is constituted by an edge base made of a hard material and adapted to be installed on the tread of a stair step, and an edge bead cushion formed on a surface of the edge base so as to be located at the stair tread nosing of the stair step. A positioning groove is formed on |
| 4443973 |
Access door and framing apparatus for the access door's framework |
April 24, 1984 |
| An access door is constituted by an outer framework adapted to be fitted in a rough opening formed in a building ceiling, wall, or the like, an inner framework set in an opening in the outer framework, a cover plate secured to the inner framework so as to close an opening in the inner fr |
| 4244443 |
Drawer type emergency escape |
January 13, 1981 |
| A drawer type emergency escape is constituted by a stowage box attached to a support, a slidable frame normally received in the stowage box and extended out of the stowage box as the escape is employed, and a shift mechanism for pulling the slidable frame out of the stowage box as the |
| 4240521 |
Drawer type emergency escape |
December 23, 1980 |
| A drawer type emergency escape is constituted by a stowage box adapted to be attached to a support, a slidable frame adapted to be slidably extended out of and retracted into the stowage box, a telescopically extensible escape means attached to the slidable frame to be received into and |
| 4220316 |
Top rail for use on railing construction |
September 2, 1980 |
| A top rail for use in connection with a railing construction or the like is constituted by a main top rail member, a resilient cushion layer fitted on the main top rail member, and a surface portion layer integrally formed with the outer surface of the resilient cushion layer. the main t |