Patent US3771491A successfully refreshed from Google Patents.
US3771491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Canine johnny
Assignee: Individual
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Filing: 1971-09-28
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Granted: 1973-11-13
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Expires: 1991-09-28
Abstract
Abstract Canine Johnny, for the use of dogs, permanently installed in a domicile, or back yard,said Canine Johnny being provided with automatic flushing means for the disposition of residue , where in dogs may relieve themselves of organic wastes at will without human supervision or assistance, after the dog has been trained to use the Canine Johnny, and thus avoid befouling public or private environs.
Inventors
- 👤 A Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:50
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/01; A01K1/0107; A01K1/011
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
304 words
A sanitary pet toilet comprising an upright cabinet, a basin on the lower end of said cabinet forming a hopper, a sewer trap connecting said base into a sewer, a perforate platform supported in a horizontal plane above said basin in said cabinet, a flush tank mounted in said cabinet substantially above said platform, a tunnel connected to the lower portion of said cabinet to provide pet access to said cabinet, a door closing the end of said tunnel opposite said cabinet and mounted for swinging movement about a horizontal pivot through the upper edge portion of said door, a fixed gear mounted on said tunnel adjacent one side edge of said door with the axis of said gear coincident with a pivot for said door, a second gear rotatably mounted on the said one side edge of said door and having gear teeth on about one-half the circumference thereof adapted for meshing with the gear teeth on said fixed gear, a sheave mounted on said second gear for rotation therewith, a cable wound on said sheave and having one end extending therefrom, a ball flush valve in said flush tank, a plurality of pulleys in said cabinet with said cable trained thereover and connected to said ball flush valve whereby the winding of said cable on said sheave on outward swinging movement of said door will lift said ball flush valve to flush said flush tank and inward swinging movement of said door will not wind the cable on said sheave and operate said ball flush valve, a flush pipe extending downwardly from said flush tank and with a U-bend upwardly centrally through said platform terminating slightly above said platform, and cascade means on the terminal end of said flush pipe for directing a flow of water across and through said perforate platform.
Claim 2
Dependent Claim
304 words
A sanitary pet toilet comprising an upright cabinet, a basin on the lower end of said cabinet forming a hopper, a sewer trap connecting said base into a sewer, a perforate platform supported in a horizontal plane above said basin in said cabinet, a flush tank mounted in said cabinet substantially above said platform, a tunnel connected to the lower portion of said cabinet to provide pet access to said cabinet, a door closing the end of said tunnel opposite said cabinet and mounted for swinging movement about a horizontal pivot through the upper edge portion of said door, a fixed gear mounted on said tunnel adjacent one side edge of said door with the axis of said gear coincident with a pivot for said door, a second gear rotatably mounted on the said one side edge of said door and having gear teeth on about one-half the circumference thereof adapted for meshing with the gear teeth on said fixed gear, a sheave mounted on said second gear for rotation therewith, a cable wound on said sheave and having one end extending therefrom, a ball flush valve in said flush tank, a plurality of pulleys in said cabinet with said cable trained thereover and connected to said ball flush valve whereby the winding of said cable on said sheave on outward swinging movement of said door will lift said ball flush valve to flush said flush tank and inward swinging movement of said door will not wind the cable on said sheave and operate said ball flush valve, a flush pipe extending downwardly from said flush tank and with a U-bend upwardly centrally through said platform terminating slightly above said platform, and cascade means on the terminal end of said flush pipe for directing a flow of water across and through said perforate platform.
Claim 3
Dependent Claim
23 words
A device as claimed in claim 1 including an inwardly projecting splash shield in said cabinet overlying the side edges of said platform.
Claim 4
Dependent Claim
21 words
A device as claimed in claim 1 wherein the cascade comprises rotary jets rotated by the force of water flowing therefrom.
Claim 5
Dependent Claim
18 words
A device as claimed in claim 1 including magnetic means for maintaining said door in normally closed position.
References Cited (Backward Citations)
US2204416A
Cited
US3318285A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-12 | 1977-05-14 | 1977-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-12 | 1981-05-14 | 1981-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-12 | 1985-05-14 | 1985-11-13 | $7700.00 | Window Closed / Lapsed |