Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
127 words
A safety bathtub for infants comprising: a tub having side, end and bottom walls, a false bottom spaced above said bottom wall and extending between said sIde and end walls thereby defining upper and lower chambers within said tub with said upper chamber of a size for bathing an infant, means carried by said tub providing for communication between said upper and lower chambers and including a normally closed valve disposed between said chambers for preventing communication of water from said upper chamber to said lower chamber, and means carried by said tub above said false bottom and responsive to the weight of an infant for opening said valve thereby to flow water from said upper chamber to said lower chamber and substantially empty said upper chamber.
Claim 2
Dependent Claim
127 words
A safety bathtub for infants comprising: a tub having side, end and bottom walls, a false bottom spaced above said bottom wall and extending between said sIde and end walls thereby defining upper and lower chambers within said tub with said upper chamber of a size for bathing an infant, means carried by said tub providing for communication between said upper and lower chambers and including a normally closed valve disposed between said chambers for preventing communication of water from said upper chamber to said lower chamber, and means carried by said tub above said false bottom and responsive to the weight of an infant for opening said valve thereby to flow water from said upper chamber to said lower chamber and substantially empty said upper chamber.
Claim 3
Dependent Claim
37 words
A bathtub according to claim 1 wherein said valve opening means includes a platform spaced above said false bottom, said opening means being responsive to the weight of an infant on said platform to open said valve.
Claim 4
Dependent Claim
129 words
A bathtub according to claim 1 wherein said false bottom includes an inclined surface and a recessed surface with said inclined surface inclining toward said recessed surface, said valve opening means including a platform spaced above said recessed surface and lying substantially flush with the lower edge of said inclined surface, means mounting said platform for movement in a direction toward said recessed surface, means for normally restraining said platform from said movement, means coupling said valve and said platform to open said valve in response to movement of said platform toward said recessed surface, said platform being responsive to the weight of an infant on said platform to overcome said restraining means and thereby open said valve to flow water from said upper chamber to said lower chamber.
Claim 5
Dependent Claim
26 words
A bathtub according to claim 3 including means for pivotally connecting said platform to said false bottom for movement toward and away from said recessed surface.
Claim 6
Dependent Claim
21 words
A bathtub according to claim 3 wherein said restraining means includes a spring coupled between said platform and said false bottom.
Claim 7
Dependent Claim
15 words
A bathtub according to claim 3 wherein said platform has a plurality of perforations therein.
Claim 8
Dependent Claim
13 words
A bathtub according to claim 3 including a vent for said lower chamber.
Claim 9
Dependent Claim
15 words
A bathtub according to claim 3 including a normally closed drain for said lower chamber.
Claim 10
Dependent Claim
45 words
A bathtub according to claim 1 wherein the capacity of said lower chamber is at least the capacity of said upper chamber whereby substantially the entirety of the water in said upper chamber can be dumped into the lower chamber when said valve is open.
Claim 11
Dependent Claim
170 words
A bathtub for infants comprising: a tub, having side, bottom and end walls, and a false bottom spaced above said bottom wall and joining said side and end walls to define therewith an upper chamber of a size for bathing an infant, and a lower chamber, said false bottom having an inclined surface portion and a surface portion recessed from said inclined surface portion to define a well with said inclined surface portion sloping toward said well, said recessed surface having an opening, a normally closed valve carried by said false bottom and disposed in said opening for preventing flow of water from said upper chamber through said opening into said lower chamber, a platform in said well and spaced above said recessed surface portion and mounted for movement in response to the weight of an infant on said platform, means coupling said platform and said valve and responsive to movement of said platform to open said valve and empty the water from said upper chamber into said lower chamber.
Claim 12
Dependent Claim
170 words
A bathtub for infants comprising: a tub, having side, bottom and end walls, and a false bottom spaced above said bottom wall and joining said side and end walls to define therewith an upper chamber of a size for bathing an infant, and a lower chamber, said false bottom having an inclined surface portion and a surface portion recessed from said inclined surface portion to define a well with said inclined surface portion sloping toward said well, said recessed surface having an opening, a normally closed valve carried by said false bottom and disposed in said opening for preventing flow of water from said upper chamber through said opening into said lower chamber, a platform in said well and spaced above said recessed surface portion and mounted for movement in response to the weight of an infant on said platform, means coupling said platform and said valve and responsive to movement of said platform to open said valve and empty the water from said upper chamber into said lower chamber.