Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
158 words
An improved door lock for outwardly opening doors, said lock comprising, in combination: a. doorknob-engaging means adapted to releasably grip a doorknob; and, b. retaining means secured to said doorknob-engaging means and adapted to releasably grip the edge of a doorframe adjacent a doorknob gripped by said doorknob-engaging means, so as to prevent a door to which said doorknob is secured from being outwardly opened, said retaining means comprising a plate having one side thereof adapted to overlie a doorjamb, said plate including a front lip adapted to overlie and grip the leading edge of a doorjamb, said doorknob-engaging means extending out from the side of said plate opposite that adapted to overlie a doorjamb, said doorknob-engaging means comprising a wall about perpendicular to said retaining means, said wall including an inverted generally U-shaped doorknob-gripping opening adjacent the lower end thereof, said lock being adapted to be slid down into doorknob-locking position and up out of doorknob engagement.
Claim 2
Dependent Claim
158 words
An improved door lock for outwardly opening doors, said lock comprising, in combination: a. doorknob-engaging means adapted to releasably grip a doorknob; and, b. retaining means secured to said doorknob-engaging means and adapted to releasably grip the edge of a doorframe adjacent a doorknob gripped by said doorknob-engaging means, so as to prevent a door to which said doorknob is secured from being outwardly opened, said retaining means comprising a plate having one side thereof adapted to overlie a doorjamb, said plate including a front lip adapted to overlie and grip the leading edge of a doorjamb, said doorknob-engaging means extending out from the side of said plate opposite that adapted to overlie a doorjamb, said doorknob-engaging means comprising a wall about perpendicular to said retaining means, said wall including an inverted generally U-shaped doorknob-gripping opening adjacent the lower end thereof, said lock being adapted to be slid down into doorknob-locking position and up out of doorknob engagement.
Claim 3
Dependent Claim
169 words
An improved door lock for outwardly opening doors, said lock comprising in combination: a. doorknob-engaging means adapted to releasably grip a doorknob; and, b. retaining means secured to said doorknob-engaging means and adapted to releasably grip the edge of a doorframe adjacent a doorknob gripped by said doorknob-engaging means, so as to prevent a door to which said doorknob is secured from being outwardly opened, said retaining means comprising a plate having one side thereof adapted to overlie a doorjamb, said plate including a front lip adapted to overlie and grip the leading edge of a doorjamb, said doorknob-engaging means extending out from the side of said plate opposite that adapted to overlie a doorjamb and comprising a wall about perpendicular to said retaining means, said wall including an inverted generally U-shaped doorknob-gripping opening adjacent the lower end thereof, said lock being adapted to be slid down into doorknob-locking position and up out of doorknob engagement, said door lock including means for adjustably spacing said opening from said plate.
Claim 4
Dependent Claim
169 words
An improved door lock for outwardly opening doors, said lock comprising in combination: a. doorknob-engaging means adapted to releasably grip a doorknob; and, b. retaining means secured to said doorknob-engaging means and adapted to releasably grip the edge of a doorframe adjacent a doorknob gripped by said doorknob-engaging means, so as to prevent a door to which said doorknob is secured from being outwardly opened, said retaining means comprising a plate having one side thereof adapted to overlie a doorjamb, said plate including a front lip adapted to overlie and grip the leading edge of a doorjamb, said doorknob-engaging means extending out from the side of said plate opposite that adapted to overlie a doorjamb and comprising a wall about perpendicular to said retaining means, said wall including an inverted generally U-shaped doorknob-gripping opening adjacent the lower end thereof, said lock being adapted to be slid down into doorknob-locking position and up out of doorknob engagement, said door lock including means for adjustably spacing said opening from said plate.
Claim 5
Dependent Claim
35 words
The improved door lock of claim 2 wherein said door lock is generally L-shaped and has a configuration adapted to fit into the corner formed by a closed door and doorjamb adjacent the doorknob thereof.
Claim 6
Dependent Claim
19 words
The improved door lock of claim 2 wherein said door lock includes means for adjustably effectively lengthening said plate.
Claim 7
Dependent Claim
47 words
The improved door lock of claim 1 wherein said wall includes a generally U-shaped doorknob-gripping opening defined in the upper surface thereof and a vertical terminal lip on one end thereof, said terminal lip being adapted to function as a doorjamb gripper when said lock is inverted.
Claim 8
Dependent Claim
16 words
The improved door lock of claim 1 wherein said door lock is of unitary integral construction.
Claim 9
Dependent Claim
27 words
The improved door lock of claim 1 wherein said doorknob-engaging means has a substantially horizontal lower edge adapted to engage the narrow neck portion of a doorknob.