US5225623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-defense device
Assignee: Individual
•
Filing: 1991-01-23
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Granted: 1993-07-06
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Expires: 2011-01-23
Abstract
Abstract A self-defense device comprises a housing defining first and second fluid ejection orifices, at least a fluid reservoir, a fluid path from the reservoir to the orifice, a power source in electrical conducting relation with the fluid path for imparting an electrical charge to conductive fluid in the fluid path, and a mechanism for forcing fluid from the reservoir through the orifice for ejecting electrically charged continuous first and second fluid streams at a target.
Inventors
- 👤 Philip Krasnow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:04
CPC Classifications
F; F41; F41H; F41H13/00; F41H13/0012; F41H13/0037; F41B; F41B9/00; F41B9/0003; F41B9/0031
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
270 words
A portable device for ejecting continuous streams of electrically charged fluids at a target, comprising: an electrically non-conductive housing having a first metal nozzle defining a first fluid ejection orifice and a second metal nozzle defining a second fluid ejection orifice, and first conduit means defining a first path for a flow of fluid from a reservoir through a first barrel to said first fluid ejection orifice and second conduit means defining a second path for a flow of fluid from a reservoir through a second barrel to said second fluid ejection orifice; means for forcing fluid in said first path through said first ejection orifice in a continuous stream of first fluid to a target and for forcing fluid in said second path through said second ejection orifice in a continuous stream of second fluid to said target; means for causing said streams to be electrically conductive; a high voltage power source comprising in electrical circuit a battery power supply and a voltage converter in said housing, said voltage converter being mounted on at least said first barrel and in electrically conducting relation with said first and second metal nozzles for imparting a high voltage electrical charge at a first potential to said first fluid exiting said first ejection nozzle and at a different potential to said second fluid exiting said second ejection nozzle; and electrically actuatable means comprising a switch in electrical circuit with said battery for energizing said voltage converter and simultaneously electrically activating said means for forcing fluid through said ejection orifices and ejecting continuous streams of electrically charged first and second fluids at said target.
Claim 2
Dependent Claim
270 words
A portable device for ejecting continuous streams of electrically charged fluids at a target, comprising: an electrically non-conductive housing having a first metal nozzle defining a first fluid ejection orifice and a second metal nozzle defining a second fluid ejection orifice, and first conduit means defining a first path for a flow of fluid from a reservoir through a first barrel to said first fluid ejection orifice and second conduit means defining a second path for a flow of fluid from a reservoir through a second barrel to said second fluid ejection orifice; means for forcing fluid in said first path through said first ejection orifice in a continuous stream of first fluid to a target and for forcing fluid in said second path through said second ejection orifice in a continuous stream of second fluid to said target; means for causing said streams to be electrically conductive; a high voltage power source comprising in electrical circuit a battery power supply and a voltage converter in said housing, said voltage converter being mounted on at least said first barrel and in electrically conducting relation with said first and second metal nozzles for imparting a high voltage electrical charge at a first potential to said first fluid exiting said first ejection nozzle and at a different potential to said second fluid exiting said second ejection nozzle; and electrically actuatable means comprising a switch in electrical circuit with said battery for energizing said voltage converter and simultaneously electrically activating said means for forcing fluid through said ejection orifices and ejecting continuous streams of electrically charged first and second fluids at said target.
Claim 3
Dependent Claim
49 words
The device according to claim 1, wherein the fluid flow to said first barrel and the fluid flow to said second barrel are electrically non-conductive; and wherein said means for causing is disposed in said first path and in said second path for rendering the fluids therein electrically conductive.
Claim 4
Dependent Claim
114 words
A portable device for ejecting continuous streams at a target, comprising: a housing defining a first fluid ejection orifice and a second fluid ejection orifice; a reservoir containing liquid; means defining a first fluid path from said reservoir to said first fluid ejection orifice and a second fluid path from said reservoir to said second fluid ejection orifice; means for adding one or more materials to the fluid in at least one of said fluid paths; and electrically actuatable means for forcing fluid from the reservoir simultaneously through both said first and second fluid paths and for ejecting a continuous stream from each of said first and second fluid ejection orifices at a target.
Claim 5
Dependent Claim
114 words
A portable device for ejecting continuous streams at a target, comprising: a housing defining a first fluid ejection orifice and a second fluid ejection orifice; a reservoir containing liquid; means defining a first fluid path from said reservoir to said first fluid ejection orifice and a second fluid path from said reservoir to said second fluid ejection orifice; means for adding one or more materials to the fluid in at least one of said fluid paths; and electrically actuatable means for forcing fluid from the reservoir simultaneously through both said first and second fluid paths and for ejecting a continuous stream from each of said first and second fluid ejection orifices at a target.
Claim 6
Dependent Claim
31 words
A device according to claim 3, wherein said means for adding material comprises electrolyte material and means for retaining such material in said fluid paths and for accomodating liquid flow therethrough.
Claim 7
Dependent Claim
24 words
A device according to claim 3, wherein said means for adding material comprises material from the class consisting of electro-luminescent, phosphorescent and chemi-luminescent materials.
Claim 8
Dependent Claim
24 words
A device according to claim 3, wherein said means for adding material comprises material from the class consisting of dyes, irritants and incapacitating agents.
Claim 9
Dependent Claim
212 words
A portable device for ejecting continuous streams of fluids oppositely charged at high voltage at a target, comprising: a housing defining a first fluid ejection orifice and a second fluid ejection orifice, said housing being electrically non-conductive and said orifices being comprised in metal nozzles; a reservoir containing electrically non-conductive fluid; means defining a first fluid path from said reservoir to said first fluid ejection orifice and a second fluid path from said reservoir to said second fluid ejection orifice; means disposed in said first fluid path for rendering the non-conductive fluid electrically conductive in the path therefrom to the first fluid ejection orifice; means disposed in said second fluid path for rendering the non-conductive fluid electrically conductive in the path therefrom to the second fluid ejection orifice; a high voltage power source for supplying opposing high voltage electric charges one of which is in electrically conducting relation with said first fluid ejection orifice and the opposing charge is in electrically conducting relation with said second fluid ejection orifice; electrically actuatable means for forcing fluid from the reservoir simultaneously through said first fluid ejection orifice and said second fluid ejection orifice and for ejecting from said orifices continuous fluid streams and establishing an electric current path between said streams at the target.
Claim 10
Dependent Claim
212 words
A portable device for ejecting continuous streams of fluids oppositely charged at high voltage at a target, comprising: a housing defining a first fluid ejection orifice and a second fluid ejection orifice, said housing being electrically non-conductive and said orifices being comprised in metal nozzles; a reservoir containing electrically non-conductive fluid; means defining a first fluid path from said reservoir to said first fluid ejection orifice and a second fluid path from said reservoir to said second fluid ejection orifice; means disposed in said first fluid path for rendering the non-conductive fluid electrically conductive in the path therefrom to the first fluid ejection orifice; means disposed in said second fluid path for rendering the non-conductive fluid electrically conductive in the path therefrom to the second fluid ejection orifice; a high voltage power source for supplying opposing high voltage electric charges one of which is in electrically conducting relation with said first fluid ejection orifice and the opposing charge is in electrically conducting relation with said second fluid ejection orifice; electrically actuatable means for forcing fluid from the reservoir simultaneously through said first fluid ejection orifice and said second fluid ejection orifice and for ejecting from said orifices continuous fluid streams and establishing an electric current path between said streams at the target.
Claim 11
Dependent Claim
42 words
The device according to claim 7, further comprising means disposed in said first and second fluid paths for blocking fluid flow from said reservoir to said orifices and for accomodating said fluid flow in response to actuation of said fluid forcing means.
Claim 12
Dependent Claim
32 words
The device according to claim 7, wherein said fluid reservoir, said power source and said fluid forcing means are disposed in said housing, and said housing is adapted to be hand held.
Claim 13
Dependent Claim
69 words
The device according to claim 7, wherein said fluid forcing means comprises a piston disposed for sliding movement in said reservoir in sealing relation with the walls thereof; wherein said housing defines a chamber behind said piston; and actuatable pressure generating means disposed in communication with said chamber whereby, when said pressure generating means is actuated, said piston is forced into said reservoir for ejecting fluid through said orifice.
Claim 14
Dependent Claim
32 words
The device according to claim 7, wherein said fluid forcing means comprises a piston slidably disposed in said reservoir and means for moving said piston through said reservoir for expelling fluid therefrom.
Claim 15
Dependent Claim
33 words
The device according to claim 11, wherein said means for moving said piston comprises said housing defining a chamber behind said piston and a cartridge housing a reactive material releasable into said chamber.
Claim 16
Dependent Claim
34 words
The device according to claim 7, wherein said high voltage power source comprises a direct current low voltage supply and said voltage converter comprises means for converting said low voltage to a high voltage.
Claim 17
Dependent Claim
15 words
The device according to claim 7, wherein said housing has the configuration of a gun.
Claim 18
Dependent Claim
23 words
The device according to claim 7, further comprising: means which maximizes the electrical potential of said high voltage charges transferrable to said target.
Claim 19
Dependent Claim
31 words
The device according to claim 7, further comprising means for admitting light emitting material of the class consisting of electroluminescent, phosphorescent or chemi-luminescent materials into at least said first fluid path.
Claim 20
Dependent Claim
31 words
The device according to claim 7, further comprising: means for admitting an incapacitating agent, including but not limited to materials comprising dyes and irritants, into at least said first fluid path.
Claim 21
Dependent Claim
35 words
The device according to claim 7, further comprising: venturis in said orifices set on an angle for directing said first and second fluid streams to achieve optimal distances between them when they contact the target.
Claim 22
Dependent Claim
42 words
The device according to claim 7, further comprising: means disposed in the reservoir for blocking fluid flow from the reservoir to said first and second fluid paths and for accomodating said fluid flows in response to actuation of said fluid forcing means.
Claim 23
Dependent Claim
15 words
The device according to claim 7, wherein said means for forcing fluid comprises a pump.
Claim 24
Dependent Claim
20 words
The device according to claim 7, wherein said means for forcing fluid comprises pump means disposed in said fluid paths.
References Cited (Backward Citations)
US1497244A
Cited
US2331388A
Cited
US2586256A
Cited
US2851094A
Cited
US3374708A
Cited
US3971292A
Cited
US4154375A
Cited
US4443906A
Cited
US4518118A
Cited
US5054959A
Cited
US4684062A
Cited
US4704942A
Cited
US4852454A
Cited
US4846044A
Cited
US4930392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-07-05 | 1997-01-04 | 1997-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-07-05 | 2001-01-04 | 2001-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-07-05 | 2005-01-04 | 2005-07-06 | $7700.00 | Window Closed / Lapsed |