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Patent 18506 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 18506
(21) Application Number: 18506
(54) English Title: SNOW PLOUGH
(54) French Title: CHARRUE A NEIGE
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
Abstracts

Sorry, the abstracts for patent document number 18506 were not found.

Claims

Note: Claims are shown in the official language in which they were submitted.

Claim lst. A fan blade fixed to and radiating from a shaft carried horizontally in bearings, and denying a rotary movement from a conveniently-located motor in combination with a cutting blade. 'the main plane of which lies at about right angles to the plane of the fan-blade, the said cutting blade being pivoted on the same centre and immediately in. front of the fan-blade, while deriving a rotary movement in the opposite direction to that in Which the fan-blade revolves. 2nd A fan-blade fixed to a horizontal shaft and caused to .revolve within an open-front .cylindrical case having an opening in its circumference, in combination with a cutting-blade pivoted in the same centre as the fan-blade, but revolving in the opposite direction immediately at the open- face of the cylindrical case, substantially as and for the purpose specified. 3rd. In an improved snow-plough in which a cutting-blade is Caused to revolve in front ,of, and in the opposite direction to a 'revolving fan-blade, a hollow shaft arranged to support and revolve with the fan blade, in combination with a shaft journalled within the hollow shaft and arranged to propel, the cutting-blade substantially as and for the purpose specified. 4th..The fan-blades. C fixed to, and propelled by the hollow shaft, D, the cutting-blades B fixed to, and propelled by the shaft F which is journalled within. shaft D, in combination with a cylindrical case A having an opening a in its circumference ,and flaring side flanges c with a bottom flange,d, curved from the side flanges c inwardly, to a point near the revolving blades G,substantially as and for the purpose specified 5th. A series of fan blades revolving within an open front cylindrical case having an opening a in its circumference and an opening e its back in combination with a revolving disc formed by a series of cutting blades B and located at the open front of the cylindrical case, substantially as and for the purpose specified.
Description

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Sorry, the description for patent document number 18506 was not found. Text is not available for all patent documents. The current dates of coverage are on the Currency of Information  page

Representative Drawing

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Administrative Status

2024-08-01:As part of the Next Generation Patents (NGP) transition, the Canadian Patents Database (CPD) now contains a more detailed Event History, which replicates the Event Log of our new back-office solution.

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Event History

Description Date
Inactive: Expired (old Act Patent) latest possible expiry date 1902-01-22
Grant by Issuance 1884-01-22

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
ORANGE JULL
Past Owners on Record
None
Past Owners that do not appear in the "Owners on Record" listing will appear in other documentation within the application.
Documents

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Document
Description 
Date
(yyyy-mm-dd) 
Number of pages   Size of Image (KB) 
Drawings 2013-07-13 2 1,697
Descriptions 2013-07-13 5 4,214
Claims 2013-07-13 2 1,688