CA287240A - Dispositif d'acoustique - Google Patents

Dispositif d'acoustique

Info

Publication number: CA287240A
Authority: CA; Canada
Prior art keywords: acoustic device; acoustic
Prior art date: 1929-02-12
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

CA287240A

Other languages

English (en)

Inventor

C. Wente Edward

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

AT&T Inc

Original Assignee

Western Electric Co Inc

Publication date

1929-02-12

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=35224052&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA287240(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1929-02-12 Application granted granted Critical

1929-02-12 Publication of CA287240A publication Critical patent/CA287240A/fr

Status Expired legal-status Critical Current

Links

CA287240A Dispositif d'acoustique Expired CA287240A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA287240T

Publications (1)

Publication Number	Publication Date
CA287240A true CA287240A (fr)	1929-02-12

Family

ID=35224052

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA287240A Expired CA287240A (fr)			Dispositif d'acoustique

Country Status (1)

Country	Link
CA (1)	CA287240A (fr)

0
- CA CA287240A patent/CA287240A/fr not_active Expired

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