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Patent 13506 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 13506
(21) Application Number: 13506
(54) English Title: IMPROVEMENTS ON PLUMB LEVELS
(54) French Title: PERFECTIONNEMENTS AUX NIVEAUX A PLOMB
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
(51) International Patent Classification (IPC): N/A
(72) Inventors :
  • EVELAND, WILLIAM L. (Canada)
(73) Owners :
  • WILLIAM L. EVELAND
(71) Applicants :
(74) Agent:
(74) Associate agent:
(45) Issued: 1881-10-01
(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 lst The combination of an extensible reach carriage frame, a frame carrying a plummet, a level pointer operated by said plummet, and a scale or scales indicating the position of the plummet or that of the level pointer. 2nd The combination of the lower extension bar A mounted on wheels B, upper extension bar C mounted on wheels T, secured slidingly to bar D, by the key E, a frame K carrying a plummet L. and level indicator or pointer M, and scale arcs I I, or a dial face. 3rd The combination of the bar D having sliding motion endwise on bars A and C, frame K provided with dial face, and carrying plummet L, and pointers S connected by cog rocker Q, and pinion R.
Description

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Representative Drawing

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Administrative Status

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Event History

Description Date
Inactive: Expired (old Act Patent) latest possible expiry date 1899-10-01
Grant by Issuance 1881-10-01

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
WILLIAM L. EVELAND
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.
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