CA21135A - Mechanical telephone - Google Patents
Mechanical telephoneInfo
- Publication number
- CA21135A CA21135A CA000021135A CA21135DA CA21135A CA 21135 A CA21135 A CA 21135A CA 000021135 A CA000021135 A CA 000021135A CA 21135D A CA21135D A CA 21135DA CA 21135 A CA21135 A CA 21135A
- Authority
- CA
- Canada
- Prior art keywords
- mechanical telephone
- telephone
- mechanical
- Prior art date
- 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
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA21135T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA21135A true CA21135A (en) | 1885-02-25 |
Family
ID=45137678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000021135A Expired CA21135A (en) | Mechanical telephone |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA21135A (en) |
-
0
- CA CA000021135A patent/CA21135A/en not_active Expired
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