FR15409E - Nouveau polyphone - Google Patents
Nouveau polyphoneInfo
- Publication number
- FR15409E FR15409E FR15409A FR15409DA FR15409E FR 15409 E FR15409 E FR 15409E FR 15409 A FR15409 A FR 15409A FR 15409D A FR15409D A FR 15409DA FR 15409 E FR15409 E FR 15409E
- Authority
- FR
- France
- Prior art keywords
- polyphone
- new
- new polyphone
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR15657T |
Publications (1)
Publication Number | Publication Date |
---|---|
FR15409E true FR15409E (fr) | 1912-07-04 |
Family
ID=8651654
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR17091A Expired FR17091E (fr) | Nouveau polyphone | ||
FR15409A Expired FR15409E (fr) | Nouveau polyphone | ||
FR15657A Expired FR15657E (fr) | Nouveau polyphone | ||
FR437979A Expired FR437979A (fr) | 1911-03-03 | Nouveau polyphone |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR17091A Expired FR17091E (fr) | Nouveau polyphone |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR15657A Expired FR15657E (fr) | Nouveau polyphone | ||
FR437979A Expired FR437979A (fr) | 1911-03-03 | Nouveau polyphone |
Country Status (1)
Country | Link |
---|---|
FR (4) | FR437979A (fr) |
-
0
- FR FR17091A patent/FR17091E/fr not_active Expired
- FR FR15409A patent/FR15409E/fr not_active Expired
- FR FR15657A patent/FR15657E/fr not_active Expired
-
1911
- 1911-03-03 FR FR437979A patent/FR437979A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR15657E (fr) | 1912-08-30 |
FR17091E (fr) | 1913-06-19 |
FR437979A (fr) | 1912-05-04 |
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