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Patent 2671 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 2671
(21) Application Number: 2671
(54) English Title: MACHINE FOR CUTTING TEETH ON CYLINDRICAL SURFACES
(54) French Title: MACHINE A TAILLER LES DENTS SUR DES SURFACES CYLINDRIQUES
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
(51) International Patent Classification (IPC): N/A
(72) Inventors :
  • NICHOLSON, W.T. (Canada)
  • DEAN, S.B. (Canada)
  • AMES, G. (Canada)
(73) Owners :
  • JOHN RIORDAN
(71) Applicants :
  • JOHN RIORDAN (Canada)
(74) Agent:
(74) Associate agent:
(45) Issued: 1873-08-23
(22) Filed Date:
Availability of licence: N/A
Dedicated to the Public: N/A
(25) Language of filing: English

Patent Cooperation Treaty (PCT): No

(30) Application Priority Data: None

Abstracts

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Claims

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

Claim 1st In combination with the mechanism for cutting the necessary tile-like teeth or serrations upon the face of the cylinder or ring, the means for supporting the cylinder in such a manner that it may be fed along and moved both ciroumferentially and in the direction of its axis. 2nd The placement or arrangement of the cutting device relatively to the carriage and axis, on which the cylinder is mounted and moved in such a manner that the chisel will strike the cylinder at an angle to a radius terminating at the point of contact of the chisel with the surface to be cut. 3rd In combination with the cutting mechanism and the cylinder supporting device, the means for automatically feeding the cylinder in the several directions as described.
Description

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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 1891-08-23
Grant by Issuance 1873-08-23

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
JOHN RIORDAN
Past Owners on Record
G. AMES
S.B. DEAN
W.T. NICHOLSON
Past Owners that do not appear in the "Owners on Record" listing will appear in other documentation within the application.
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