| 发明名称 |
Stepladder |
| 摘要 |
|
| 申请公布号 |
US2650014(A) |
申请公布日期 |
1953.08.25 |
| 申请号 |
US19510204550 |
申请日期 |
1951.01.05 |
| 申请人 |
HENRY HARRISON |
发明人 |
HARRISON HENRY |
| 分类号 |
E06C1/20;E06C1/393 |
主分类号 |
E06C1/20 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
您可能感兴趣的专利
Wellbore cable for wellbore devices to analyze geologic formations adjacent wellbore, includes polymeric material forming continuously bonded layer which separates and encapsulates armor wires forming inner armor wire layer
Lubricant dispenser has at least one tooth arranged on periphery of piston and pressing against inside wall of lubricant reservoir, and consists of harder material in comparison to lubricant reservoir
Document e.g. photograph, presenting device for furniture, has assembly formed by framework, support points, holding units and stabilization units, where assembly is made up of deformable thermoplastic material
STRUCTURE DE VIROLE D'ENTREE D'AIR
COMPOSITION D'ADDITIFS, COMPOSITION DE LUBRIFIANT LA CONTENANT ET PROCEDE POUR LEUR UTILISATION
UNITE D'ACQUISITION DE PHASE ASYNCHRONE AVEC TRAMAGE
CIRCUIT D'ALIMENTATION D'AMPLIFICATION DE COMMUTATION
DISPOSITIF SEPARATEUR GAZ-LIQUIDE.
DISPLAY DEVICE AND ELECTRONIC EQUIPMENT
PROCEDE ET STATION DE RAVITAILLEMENT EN HYDROGENE
Pusher for activating liquid distributing system in e.g. cosmetic field, has spray gun formed by transparent or translucent material that presents rigidity greater than rigidity of material forming body
Gas or aerosol mixture diffusing method, involves reducing pressure of chamber when valve is in closed position, where lowering of pressure permits displacement of obturator in its supporting direction and opening of valve
Composition, useful for podological powder and for reducing or eliminating odor released from footwear, comprises an anhidrotic agent, an adhesive, a glidant and an insoluble zinc derivative
Cosmetic composition, useful for make-up of keratinous matter, comprises multilayer interference pigment, coloring agent, reflective pigment and diffractive pigment
Package originator and content identifying device, has radio frequency identification tag which is affixed to packages, where tag includes information in computer memory for identifying contents of packages and originators
Electrical control cable for e.g. transmitting current to various equipment, has fibers being twisted for forming strand, where certain fibers are made of copper and remaining fibers are made of non-conducting material
Oil level controlling device for engine bonnet of e.g. car, has thermoplastic cannula extending guide to constitute seal for reading head when handle is supported on stopper, and applied and integrated with guide after calibration
Heating installation for e.g. greenhouse, has enclosure to store fuel under inert gas and vacuum and permit transportation of fuel through road, and supplying system to supply fuel to boiler from enclosure mounted on wheels
Part assembly for levels of scaffolding, has upper rail mounted on post while rail is being received along mounting direction, where assembly is arranged such that rail is not dismounted from scaffolding before dismounting post or column
Spare wheel container arrangement for rear boot of motor vehicle, has concave tooth gap to maintain container at sheet of body shell arranged under container and cooperating with sheet
