ES181965A1 - Mejoras en aparatos telefónicos - Google Patents
Mejoras en aparatos telefónicosInfo
- Publication number
- ES181965A1 ES181965A1 ES181965A ES181965A ES181965A1 ES 181965 A1 ES181965 A1 ES 181965A1 ES 181965 A ES181965 A ES 181965A ES 181965 A ES181965 A ES 181965A ES 181965 A1 ES181965 A1 ES 181965A1
- Authority
- ES
- Spain
- Prior art keywords
- telephone appliances
- appliances
- telephone
- 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
- H04M1/04—Supports for telephone transmitters or receivers
- H04M1/06—Hooks; Cradles
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US577472A US2438922A (en) | 1945-02-12 | 1945-02-12 | Telephone set |
Publications (1)
Publication Number | Publication Date |
---|---|
ES181965A1 true ES181965A1 (es) | 1948-03-01 |
Family
ID=24308880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES181965A Expired ES181965A1 (es) | 1945-02-12 | 1948-01-31 | Mejoras en aparatos telefónicos |
Country Status (2)
Country | Link |
---|---|
US (1) | US2438922A (es) |
ES (1) | ES181965A1 (es) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1959572A (en) * | 1932-02-26 | 1934-05-22 | Ocie M Craig | Telephone attachment |
US2008283A (en) * | 1932-10-20 | 1935-07-16 | Bell Telephone Labor Inc | Telephone substation apparatus |
US2220279A (en) * | 1937-09-20 | 1940-11-05 | Leich Electric Co | Handset telephone |
US2326591A (en) * | 1941-05-22 | 1943-08-10 | David E White | Telephone stand |
-
1945
- 1945-02-12 US US577472A patent/US2438922A/en not_active Expired - Lifetime
-
1948
- 1948-01-31 ES ES181965A patent/ES181965A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2438922A (en) | 1948-04-06 |
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